Donald E. Luebrecht
16Patents
10h-index
43Co-inventors
72Inventor score
Filing activity: Apr 22, 1983 → Mar 24, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6135694A | Travel and fork lowering speed control based on fork load weight/tilt cylinder operation | Performing Operations; Transporting | 48 | Expired |
| US6174124A | Load trays for personnel carrying vehicles | Performing Operations; Transporting | 37 | Expired |
| USD407176S | Materials handling vehicle | General | 29 | Expired |
| USD407177S | Materials handling vehicle | General | 25 | Expired |
| US4552250A | Lift truck | Performing Operations; Transporting | 24 | Expired |
| US5992572A | Personnel carrying vehicle | Performing Operations; Transporting | 24 | Expired |
| USD405581S | Control handle for a materials handling vehicle | General | 22 | Expired |
| US4543031A | Apparatus for sideshift carriage control | Performing Operations; Transporting | 13 | Expired |
| USD409349S | Materials handling and maintenance vehicle | General | 11 | Expired |
| US8454718B2 | Working vehicle having cooling system with suction device | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US4499971A | Material handling vehicle having improved chain monitoring | Performing Operations; Transporting | 9 | Expired |
| USD424777S | Materials handling and maintenance vehicle | General | 7 | Expired |
| US7871117B2 | Seat deck assembly or compartment cover for a materials handling vehicle | Performing Operations; Transporting | 5 | Active |
| US6019190A | Motor cover for a work assist vehicle | Performing Operations; Transporting | 1 | Expired |
| USRE44700E1 | Seat deck assembly or compartment cover for a materials handling vehicle | General | 0 | Active |
| USD412866S | Personnel carrying vehicle | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.