Inventor · Schwenksville, PA, US

Frank E. Robinson

42Patents
7h-index
5Co-inventors
54Inventor score

Filing activity: Aug 25, 2016 → Jan 22, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
USD802077S1 Firearm accessory mount General 17 Active
USD825022S1 Firearm accessory mount General 13 Active
US10605565B1 Adjustable rear sight for a firearm Mechanical Engineering; Lighting; Heating 10 Active
USD831778S1 Firearm accessory mount General 10 Active
US10809031B2 Linear trigger mechanisms for firearms Mechanical Engineering; Lighting; Heating 10 Active
US11536531B1 Ambidextrous firearm controls Mechanical Engineering; Lighting; Heating 9 Active
US10363675B2 Knife and sheath Performing Operations; Transporting 8 Active
US10663253B1 Foldable iron sight assembly for a firearm Mechanical Engineering; Lighting; Heating 6 Active
USD950671S1 Muzzle brake General 5 Active
US11022393B2 Trigger guard assemblies Mechanical Engineering; Lighting; Heating 4 Active
US10001345B2 Firearm accessory mount Mechanical Engineering; Lighting; Heating 4 Active
USD882016S1 Firearm trigger guard General 4 Active
USD844096S1 Knife and sheath General 4 Active
USD825708S1 Knife General 3 Active
USD845428S1 Sheath General 3 Active
USD875873S1 Firearm trigger guard General 3 Active
US10557675B1 Devices for restricting the flow of propellant gas in gas-actuated firearms Mechanical Engineering; Lighting; Heating 3 Active
USD1058740S1 Handguard General 2 Active
USD1014327S1 Buckle General 2 Active
USD856463S1 Sheath General 2 Active
US11015893B2 Lever-coupled device for selectively preventing a firearm from discharging Mechanical Engineering; Lighting; Heating 2 Active
USD844095S1 Knife General 2 Active
US10371486B2 Firearm accessory mount Mechanical Engineering; Lighting; Heating 1 Active
US11920885B2 Firearm barrel having at least one barrel gas port and method of manufacturing the same Mechanical Engineering; Lighting; Heating 1 Active
US11287214B2 Adjustable sling for a firearm Mechanical Engineering; Lighting; Heating 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.