Inventor · El Cajon, CA, US

John Marking

68Patents
30h-index
9Co-inventors
81Inventor score

Filing activity: Nov 30, 1998 → Jan 8, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6135434A Shock absorber with positive and negative gas spring chambers Mechanical Engineering; Lighting; Heating 236 Expired
US6360857B1 Damping adjuster for shock absorber Mechanical Engineering; Lighting; Heating 207 Expired
US6296092A Position-sensitive shock absorber Mechanical Engineering; Lighting; Heating 188 Expired
US6311962A Shock absorber with external air cylinder spring Mechanical Engineering; Lighting; Heating 188 Expired
US6415895B2 Position-sensitive shock absorber Mechanical Engineering; Lighting; Heating 178 Expired
US9033122B2 Method and apparatus for an adjustable damper Mechanical Engineering; Lighting; Heating 127 Active
US8857580B2 Remotely operated bypass for a suspension damper Performing Operations; Transporting 126 Active
US8627932B2 Bypass for a suspension damper Emerging Cross-Sectional Technologies 125 Active
US9239090B2 Suspension damper with remotely-operable valve Mechanical Engineering; Lighting; Heating 124 Active
US9038791B2 Compression isolator for a suspension damper Mechanical Engineering; Lighting; Heating 123 Active
US9353818B2 Remotely operated bypass for a suspension damper Performing Operations; Transporting 121 Active
US9120362B2 Bypass for a suspension damper Emerging Cross-Sectional Technologies 121 Active
US8955653B2 Methods and apparatus for controlling a fluid damper Mechanical Engineering; Lighting; Heating 91 Active
US8763770B2 Cooler for a suspension damper Mechanical Engineering; Lighting; Heating 83 Active
US9556925B2 Suspension damper with by-pass valves Mechanical Engineering; Lighting; Heating 81 Active
US9616728B2 Bypass for a suspension damper Emerging Cross-Sectional Technologies 76 Active
US9663181B2 Method and apparatus for an adjustable damper Mechanical Engineering; Lighting; Heating 75 Active
US9366307B2 Compression isolator for a suspension damper Mechanical Engineering; Lighting; Heating 75 Active
US9550405B2 Methods and apparatus for controlling a fluid damper Mechanical Engineering; Lighting; Heating 72 Active
US10094443B2 Bypass for a suspension damper Emerging Cross-Sectional Technologies 68 Active
US9784333B2 Compression isolator for a suspension damper Mechanical Engineering; Lighting; Heating 67 Active
US10443671B2 Remotely operated bypass for a suspension damper Mechanical Engineering; Lighting; Heating 54 Active
US10415662B2 Remotely operated bypass for a suspension damper Performing Operations; Transporting 54 Active
US9528565B2 Adjustable internal bypass Mechanical Engineering; Lighting; Heating 50 Active
US10697514B2 Remotely operated bypass for a suspension damper Mechanical Engineering; Lighting; Heating 45 Active

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