Inventor · Berkvam Road, PA, US

Keith Thomas

14Patents
5h-index
17Co-inventors
63Inventor score

Filing activity: Feb 2, 1983 → Aug 9, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5411269A Electronic fluid sensing actuating target apparatus Human Necessities 105 Expired
US8671640B1 Rapidly locking building/lock components, bridge keys and locking keys to construct uniform whole locked building members and entire locked structures on-the-fly Mechanical Engineering; Lighting; Heating 18 Active
US5000071A Guitar holder Emerging Cross-Sectional Technologies 14 Expired
USD399466S License plate frame General 13 Expired
US5820499A Magazine ball dispenser Human Necessities 8 Expired
US6194982A Circuit interrupter with a magnetically-induced automatic trip assembly implementing a spring clamp Electricity 5 Expired
US7019240B2 Electrical switching apparatus interface assembly and operating handle attachment therefor Electricity 5 Expired
US7265311B1 Arc chamber barrier with interlocking top for circuit breaker Electricity 5 Expired
US4679108A Portable playback system with active tape drive tensioning feature Physics 2 Expired
US7358455B2 Cradle stop assembly, and operating mechanism and electrical switching apparatus employing the same Electricity 2 Active
US7800466B2 Magnetic trip mechanism and electrical switching apparatus employing the same Electricity 1 Active
USD309928S Doll clothes line General 1 Expired
US8384289B2 Method and system for a light sensing headlight modulator Performing Operations; Transporting 1 Active
US9093230B2 Hidden/sliding door system for field-installed accessory access Electricity 0 Active

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