Inventor · Seattle, WA, US

Kenneth E. Hey

28Patents
13h-index
10Co-inventors
78Inventor score

Filing activity: Aug 14, 1989 → Mar 6, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US5620154A Three link failsafe engine mount Emerging Cross-Sectional Technologies 55 Expired
US5860623A Three link failsafe engine mount Emerging Cross-Sectional Technologies 53 Expired
US5649417A Fail-safe engine mount system Emerging Cross-Sectional Technologies 52 Expired
US5908264A Watercraft lift Performing Operations; Transporting 43 Expired
US5725181A Aircraft engine thrust mount Emerging Cross-Sectional Technologies 38 Expired
US6823809B2 Floating watercraft lift apparatus and method Performing Operations; Transporting 26 Expired
US6830410B2 Bunk beam and bunk cushion apparatus for supporting a watercraft Performing Operations; Transporting 21 Expired
US7246970B2 Shallow water watercraft lift Performing Operations; Transporting 19 Expired
US6131850A Adjustable length brace for cyclic loads Emerging Cross-Sectional Technologies 17 Expired
US6976442B2 Variable range apparatus for watercraft lift Performing Operations; Transporting 16 Expired
US7527014B2 Self-adjusting watercraft canopy Performing Operations; Transporting 15 Expired
USD317790S Electronic billboard for advertising display or the like General 13 Expired
US8291810B2 Hydraulic cylinder contamination prevention system Emerging Cross-Sectional Technologies 13 Active
USD484450S1 Sidewall portion of a watercraft bunk beam General 12 Expired
US8911174B2 Watercraft lift and automatic water craft cover Fixed Constructions 12 Active
USD487423S1 Upper end portion of a watercraft bunk cushion General 11 Expired
US9527552B2 Watercraft lift and automatic watercraft cover Fixed Constructions 11 Active
USD484086S1 Upper surface portion of a watercraft bunk cushion General 9 Expired
US8683934B2 Compact self-monitoring self-stabilizing air displacement watercraft lift Performing Operations; Transporting 4 Active
US10293889B2 Automatic watercraft cover Performing Operations; Transporting 4 Active
US11932364B2 Watercraft lift Performing Operations; Transporting 4 Active
US8069807B2 Floating drive-on watercraft docking system Performing Operations; Transporting 3 Active
US10011326B2 Watercraft lift and automatic watercraft cover Fixed Constructions 2 Active
US8683912B2 Hydraulic cylinder contamination prevention system Emerging Cross-Sectional Technologies 1 Active
US9199705B2 Compact self-monitoring self-stabilizing air displacement watercraft lift Performing Operations; Transporting 1 Active

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