Inventor · Vancouver, WA, US

Stanley E. Farmer

13Patents
10h-index
10Co-inventors
65Inventor score

Filing activity: Nov 11, 1975 → Jul 29, 1993

Most-cited inventions

PatentTitleAreaCited byStatus
US4987935A BI-directional tree saw Emerging Cross-Sectional Technologies 27 Expired
US5269227A Motorized portable system and method for aiding persons in ascending or descending stairways Human Necessities 26 Expired
US4191276A High-visibility two-stage mast assembly for lift trucks Performing Operations; Transporting 22 Expired
US4482286A Forklift truck push-pull slipsheet handler for facilitating conversion of truck between slipsheet handling and pallet handling capabilities Performing Operations; Transporting 18 Expired
US4708575A Forklift truck push-pull slipsheet handler for facilitating conversion of truck between slipsheet handling and pallet handling capabilities Performing Operations; Transporting 16 Expired
US4227850A Lift truck load clamp for handling paper rolls Emerging Cross-Sectional Technologies 15 Expired
US5363771A Motorized portable system for aiding persons in ascending or descending stairways Human Necessities 13 Expired
US4008648A Telescopic ram Mechanical Engineering; Lighting; Heating 12 Expired
US4717191A Swivel head for grapple Performing Operations; Transporting 11 Expired
US4127205A Lift truck load clamp for handling paper rolls Emerging Cross-Sectional Technologies 11 Expired
US4191092A Telescopic ram Performing Operations; Transporting 10 Expired
US4624620A Forklift truck push-pull slipsheet handler for facilitating conversion of truck between slipsheet handling and pallet handling capabilities Performing Operations; Transporting 7 Expired
US4160620A Lift truck paper roll clamp having improved contact pad restraint and hinge structure Emerging Cross-Sectional Technologies 4 Expired

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