Inventor · Columbus, IN, US

Charles E. Long

12Patents
7h-index
16Co-inventors
63Inventor score

Filing activity: Nov 21, 1974 → Jun 15, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US5931052A Crankshaft gear torsional vibration isolator assembly for an engine Emerging Cross-Sectional Technologies 40 Expired
US5870928A Anti-lash gear with alignment device Emerging Cross-Sectional Technologies 36 Expired
US4563851A Bracing for studwalls Fixed Constructions 33 Expired
US5979260A Anti-lash gear assembly Emerging Cross-Sectional Technologies 17 Expired
US8827204B2 Clutch system for rotary-wing aircraft with secondary thrust system Performing Operations; Transporting 15 Active
US6247377A Anti-lash gear assembly Emerging Cross-Sectional Technologies 10 Expired
US3956937A Pressure sensing system Physics 8 Expired
US6685043B1 Quick fill Performing Operations; Transporting 6 Expired
US9359957B2 Planet gear for air turbine starter system Emerging Cross-Sectional Technologies 3 Active
US4923049A Wing extension for roof ladder Fixed Constructions 3 Expired
US9038801B2 Clutch with pressure sustaining system Mechanical Engineering; Lighting; Heating 2 Active
US8613142B2 Methods for cluster gear timing and manufacturing Emerging Cross-Sectional Technologies 1 Active

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