Inventor · Wausau, WI, US

Frank Drake

28Patents
10h-index
12Co-inventors
72Inventor score

Filing activity: Aug 28, 1991 → Sep 19, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5195864A Hydraulic system for a wheel loader Fixed Constructions 31 Expired
US6893006B2 Multi-speed drop leg mechanical jack for use with a trailer Performing Operations; Transporting 24 Expired
US7325786B2 Multi-speed drop leg mechanical jack for use with a trailer Performing Operations; Transporting 21 Expired
USD931152S1 Gooseneck coupler General 20 Active
US5662154A Blind tilt actuator and ladder support therefor Emerging Cross-Sectional Technologies 18 Expired
US6874764B2 Mechanical screw jack having stroke limiting nut Performing Operations; Transporting 18 Expired
USD561424S1 Powered drive for jack General 15 Expired
USD595921S1 Winch body General 15 Expired
US8181983B2 Vertically adjustable mount for jack assembly Performing Operations; Transporting 12 Active
US5497820A Blind tilt actuator Emerging Cross-Sectional Technologies 11 Expired
US9206022B2 Winch assembly Performing Operations; Transporting 10 Active
US9896067B2 Jack assembly Performing Operations; Transporting 9 Active
US8286986B2 Gooseneck coupler Performing Operations; Transporting 9 Active
USD560324S1 Powered drive for jack General 8 Expired
US8783706B2 Gooseneck coupler with slideable locking members and clinch Performing Operations; Transporting 6 Active
US8783705B2 Gooseneck coupler with slideable style locking members Performing Operations; Transporting 5 Active
US7798034B2 Apparatus and methods for retaining pins and bushings Emerging Cross-Sectional Technologies 4 Active
US7731219B2 Trailer tongue pivot hinge Performing Operations; Transporting 4 Active
US9738127B2 Adjustable height gooseneck coupler Performing Operations; Transporting 4 Active
US7871098B2 Coupler for towed vehicles Performing Operations; Transporting 2 Active
US9579939B2 Heavy duty adjustable gooseneck coupler Performing Operations; Transporting 2 Active
US10414223B2 Large powered jack Performing Operations; Transporting 1 Active
US9616720B2 Coupler Performing Operations; Transporting 1 Active
US8083250B2 Coupler for towed vehicles Performing Operations; Transporting 1 Active
USD1088979S1 Gooseneck coupler General 0 Active

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