Patent assignee · US · COMPANY

Trek, Inc.

16Patents
5Active
16Granted
38Portfolio score

Filing activity: May 18, 1990 → Feb 9, 2015 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
USD479800S1 Container lid General 174 Expired
USD482607S1 Combined container and lid General 170 Expired
USD481938S1 Container General 55 Expired
USD481937S1 Combined container and lid General 48 Expired
US5101159A Electrostatic pin hole detector Physics 9 Expired
US6507197B1 Electrostatic force detector with cantilever for an electrostatic force microscope Emerging Cross-Sectional Technologies 8 Expired
US6337478B1 Electrostatic force detector with cantilever and shield for an electrostatic force microscope Emerging Cross-Sectional Technologies 7 Expired
US5119030A Apparatus for electrically inspecting the surface of a drum Physics 6 Expired
US8514544B2 Electrostatic clamp optimizer Physics 4 Active
US6600323B2 Sensor for non-contacting electrostatic detector Physics 4 Expired
US7427864B2 Ion balance monitor Electricity 3 Active
US6573725B2 Sensor for non-contacting electrostatic detector Physics 2 Expired
US7439746B2 Electrostatic voltmeter Physics 2 Active
US9120704B2 Dielectric layer for electrostatic chuck and electrostatic chuck Emerging Cross-Sectional Technologies 1 Active
US6660665B2 Platen for electrostatic wafer clamping apparatus Emerging Cross-Sectional Technologies 1 Expired
US11282732B2 System and method for clamping a work piece Electricity 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.