Patent Samples
Below you will find a small sampling of patents prepared, filed and prosecuted by the partners at Hollowell Patent Group. They are listed by patent number and title. In the carousel located at the top and bottom of the sample list, you will also find patents categorized by subject matter. Both the list and the carousel have links for you to view and read the entire issued patent. Each of the patents in the list and carousel are US patents, but HPG has filed more than 1,000 patents in over 100 countries. Please call us to find out more. We would love to assist you in obtaining patent protection for your ideas and inventions. We work with both individual inventors and companies developing portfolios to protect their businesses.
Mechanical Patents
Biotech & Green Technology Patents
Software Patents
Chemical Patents
Electrical Patents
Design Patents & Trademarks
US 11566191 B2 System and process for continuous production of contaminate free, size specific biochar following gasification
https://patents.google.com/patent/US11566191B2
US 11551276 B2 Selectively redeemable bundled healthcare services with discreet payment distribution
https://patents.google.com/patent/US11551276B2
US 11534032 B1 Vertical hanging pot rack
https://patents.google.com/patent/US11534032B1
US 11529274 B2 Removable power assist for manual wheelchair
https://patents.google.com/patent/US11529274B2
US 11523951 B2 Portable power assist for manual wheelchairs
https://patents.google.com/patent/US11523951B2
US 11501352 B2 Backend bundled healthcare services payment systems and methods
https://patents.google.com/patent/US11501352B2
US 11475499 B2 Backend bundled healthcare services payment systems and methods
https://patents.google.com/patent/US11475499B2
US 11475498 B2 Prepaid bundled health, dental, and veterinary services with virtual payment distribution
https://patents.google.com/patent/US11475498B2
US 11467138 B2 Breathalyzer
https://patents.google.com/patent/US11467138B2
US 11449913 B2 Prepaid bundled health, dental, and veterinary services with virtual payment distribution
https://patents.google.com/patent/US11449913B2
US 11430036 B2 Network-based marketplace service for facilitating purchases of bundled services and products
https://patents.google.com/patent/US11430036B2
US 11414322 B1 Methods and systems for producing an enhanced surface area biochar product
https://patents.google.com/patent/US11414322B1
US 11382809 B2 Removable power assist for manual wheelchair
https://patents.google.com/patent/US11382809B2
US 11375698 B2 Self-cleaning pre-filter for a water circulation pump
https://patents.google.com/patent/US11375698B2
US 11367115 B2 Prepaid bundled healthcare services with discreet virtual payment distribution
https://patents.google.com/patent/US11367115B2
US 11356039 B2 Device and method for transferring electrical power to a high-speed rotating object
https://patents.google.com/patent/US11356039B2
US 11352117 B1 Enhanced wave generation methods and systems
https://patents.google.com/patent/US11352117B1
US 11341556 B2 CPT code search engine for backend bundling of healthcare services and a virtual payment system
https://patents.google.com/patent/US11341556B2
US 11341555 B2 Creating digital health assets
https://patents.google.com/patent/US11341555B2
US 11339337 B1 Elimination of poly- and perfluoro alkyl substances (PFAS) in a wastewater biosolids gasification process using a thermal oxidizer and hydrated lime injection
https://patents.google.com/patent/US11339337B1
US 11315160 B2 Prepaid bundled healthcare services with discreet virtual payment distribution
https://patents.google.com/patent/US11315160B2
US 11298238 B1 Balloon kyphoplasty surgical device and method
https://patents.google.com/patent/US11298238B1
US 11279894 B2 Universal feeder for gasification reactors
US 11275051 B2 Metal oxide-based chemical sensors
https://patents.google.com/patent/US11275051B2
US 11274255 B2 Hydrocarbon stream separation system and method
https://patents.google.com/patent/US11274255B2
US 11266192 B2 Multipurpose, crossbody strap with universal in interlocking rings
https://patents.google.com/patent/US11266192B2
US 11268039 B1 Direct biochar cooling methods and systems
https://patents.google.com/patent/US11268039B1
US 11268031 B1 Direct biochar cooling methods and systems
https://patents.google.com/patent/US11268031B1
US 11268030 B1 Direct biochar cooling methods and systems
https://patents.google.com/patent/US11268030B1
US 11268029 B1 Direct biochar cooling methods and systems
https://patents.google.com/patent/US11268029B1
US 11244370 B2 Network-based marketplace service for facilitating purchases of bundled services and products
https://patents.google.com/patent/US11244370B2
US 11243192 B2 3-D glass printable hand-held gas chromatograph for biomedical and environmental applications
https://patents.google.com/patent/US11243192B2
US 11242494 B2 System and process for continuous production of contaminate free, size specific biochar following gasification
https://patents.google.com/patent/US11242494B2
US 11203183 B2 Single and multi-layer, flat glass-sensor structures
https://patents.google.com/patent/US11203183B2
US 11170423 B2 Provisioning medical resources triggered by a lifecycle event
https://patents.google.com/patent/US11170423B2
US 11167529 B2 Multi-layer, flat glass structures
https://patents.google.com/patent/US11167529B2
US 11154443 B2 Removable power assist for manual wheelchair
https://patents.google.com/patent/US11154443B2
US 11145395 B1 Health history access
https://patents.google.com/patent/US11145395B1
US 11081336 B2 Method of making graphene and graphene devices
https://patents.google.com/patent/US11081336B2
US 11030666 B2 Network-based marketplace service pricing tool for facilitating purchases of bundled services and products
https://patents.google.com/patent/US11030666B2
US 11030665 B2 Network-based marketplace service for facilitating purchases of bundled services and products
https://patents.google.com/patent/US11030665B2
US 11009475 B2 Doped, metal oxide-based chemical sensors
https://patents.google.com/patent/US11009475B2
US 10991021 B2 Provisioning medical resources triggered by a lifecycle event
https://patents.google.com/patent/US10991021B2
US 10991020 B2 Network-based marketplace service for facilitating purchases of bundled services and products
https://patents.google.com/patent/US10991020B2
US 10945899 B2 Removable power assist for manual wheelchair
https://patents.google.com/patent/US10945899B2
US 10897943 B1 Multipurpose, crossbody strap with universal interlocking rings
US 10857774 B2 Transferring graphitic thin films with a liquid gallium probe
https://patents.google.com/patent/US10857774B2
US 10821707 B2 Multi-layer, flat glass structures
https://patents.google.com/patent/US10821707B2
US 10802008 B2 Bimetal doped-metal oxide-based chemical sensors
https://patents.google.com/patent/US10802008B2
US 10787155 B2 Device for dispensing chemical onto a tire brush
https://patents.google.com/patent/US10787155B2
US 10788617 B2 Outside light with diffusing light panel
https://patents.google.com/patent/US10788617B2
US 10780296 B2 Transcranial laser therapy for treatment of acute ischemic stroke
https://patents.google.com/patent/US10780296B2
US 10777406 B2 Method of making graphene and graphene devices
https://patents.google.com/patent/US10777406B2
US 10779367 B2 LED lighting and alert system
https://patents.google.com/patent/US10779367B2
US 10738249 B2 Universal feeder for gasification reactors
https://patents.google.com/patent/US10738249B2
US 10717653 B2 Graphene production by the thermal release of intrinsic carbon
https://patents.google.com/patent/US10717653B2
US 10696913 B2 Gasification reactor with pipe distributor
https://patents.google.com/patent/US10696913B2
US 10683985 B2 Security light with diffusing light panel
https://patents.google.com/patent/US10683985B2
US 10662386 B2 Method for gasifying feedstock with high yield production of biochar
https://patents.google.com/patent/US10662386B2
US 10611973 B2 Gasification reactor with discrete reactor vessel and grate and method of gasification
https://patents.google.com/patent/US10611973B2
US 10517780 B2 Removable power assist for manual wheelchair
https://patents.google.com/patent/US10517780B2
US 10465133 B2 Device with dilated oxidation zone for gasifying feedstock
https://patents.google.com/patent/US10465133B2
US 10343504 B1 Portable rain and sun shield for a covered golf cart
https://patents.google.com/patent/US10343504B1
US 10525805 B2 Method of enhancing rain and sun protection using a rain and sun shield for golf carts
https://patents.google.com/patent/US10525805B2
US 10953734 B2 Method of enhancing rain and sun protection using a rain and sun shield for golf carts
https://patents.google.com/patent/US10953734B2
US 10535088 B2 Network-based marketplace service for facilitating purchases of bundled services and products
https://patents.google.com/patent/US10535088B2
US D769365 S Bridge for an electronic instrument
https://patents.google.com/patent/USD769365
US D768765 S Headstock for an electronic instrument
https://patents.google.com/patent/USD768765
US D768764 S Electronic instrument
https://patents.google.com/patent/USD768764
US 9441459 B2 Water shelter or shed to protect a worker from heat, smoke, fire and chemicals
https://patents.google.com/patent/US9441459B2
US D766045 S Dispenser
US 11275051 B2 Metal oxide-based chemical sensors
https://patents.google.com/patent/US11275051B2
US 11274255 B2 Hydrocarbon stream separation system and method
https://patents.google.com/patent/US11274255B2
US 11266192 B2 Multipurpose, crossbody strap with universal in interlocking rings
https://patents.google.com/patent/US11266192B2
US 11268039 B1 Direct biochar cooling methods and systems
https://patents.google.com/patent/US11268039B1
US 11268031 B1 Direct biochar cooling methods and systems
https://patents.google.com/patent/US11268031B1
US 11268030 B1 Direct biochar cooling methods and systems
https://patents.google.com/patent/US11268030B1
US 11268029 B1 Direct biochar cooling methods and systems
https://patents.google.com/patent/US11268029B1
US 11244370 B2 Network-based marketplace service for facilitating purchases of bundled services and products
https://patents.google.com/patent/US11244370B2
US 11243192 B2 3-D glass printable hand-held gas chromatograph for biomedical and environmental applications
https://patents.google.com/patent/US11243192B2
US 11242494 B2 System and process for continuous production of contaminate free, size specific biochar following gasification
https://patents.google.com/patent/US11242494B2
US 11203183 B2 Single and multi-layer, flat glass-sensor structures
https://patents.google.com/patent/US11203183B2
US 11170423 B2 Provisioning medical resources triggered by a lifecycle event
https://patents.google.com/patent/US11170423B2
US 11167529 B2 Multi-layer, flat glass structures
https://patents.google.com/patent/US11167529B2
US 11154443 B2 Removable power assist for manual wheelchair
https://patents.google.com/patent/US11154443B2
US 11145395 B1 Health history access
https://patents.google.com/patent/US11145395B1
US 11081336 B2 Method of making graphene and graphene devices
https://patents.google.com/patent/US11081336B2
US 11030666 B2 Network-based marketplace service pricing tool for facilitating purchases of bundled services and products
https://patents.google.com/patent/US11030666B2
US 11030665 B2 Network-based marketplace service for facilitating purchases of bundled services and products
https://patents.google.com/patent/US11030665B2
US 11009475 B2 Doped, metal oxide-based chemical sensors
https://patents.google.com/patent/US11009475B2
US 10991021 B2 Provisioning medical resources triggered by a lifecycle event
https://patents.google.com/patent/US10991021B2
US 10991020 B2 Network-based marketplace service for facilitating purchases of bundled services and products
https://patents.google.com/patent/US10991020B2
US 10945899 B2 Removable power assist for manual wheelchair
https://patents.google.com/patent/US10945899B2
US 10897943 B1 Multipurpose, crossbody strap with universal interlocking rings
https://patents.google.com/patent/US10897943B1
​
US 9375694 B2 Device with dilated oxidation zone for gasifying feedstock
https://patents.google.com/patent/US9375694B2
US 9296601 B2 Dispenser and measuring cap device and method
https://patents.google.com/patent/US9296601B2
US 9279090 B2 Method for cleaning producer gas using a microwave induced plasma cleaning device
https://patents.google.com/patent/US9279090B2
US 9242219 B2 Fluidized bed biogasifier and method for gasifying biosolids
Mechanical Patents
Biotech & Green Technology Patents
Software Patents
Chemical Patents
Electrical Patents
Design Patents & Trademarks
