Frank Drake
28Patents
10h-index
12Co-inventors
72Inventor score
Filing activity: Aug 28, 1991 → Sep 19, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.