Patent assignee · US · COMPANY

Fifth Dimension, Inc.

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15Patents
0Active
15Granted
28Portfolio score

Filing activity: Jan 7, 1974 → Jan 6, 1998

Most-cited patents

PatentTitleAreaCited byStatus
US4135067A Tilt switch and holder Electricity 40 Expired
US4099040A Mercury type tilt switch Electricity 19 Expired
US4381504A Switch and alarm system responsive to sudden movement, angular tilt and vibration Physics 19 Expired
US4943690A Position insensitive shock sensor with closure delay Electricity 13 Expired
US4385288A Motion responsive alarm system Physics 13 Expired
US5227250A Glass-to-metal seal Emerging Cross-Sectional Technologies 9 Expired
US4260970A Position insensitive mercury relay switch Electricity 8 Expired
US5198628A Shock insensitive tilt switch with floating spherical restrictor to inhibit flow of conductive liquid Electricity 7 Expired
US4683355A Position insensitive shock sensor Electricity 6 Expired
US3978301A Mercury tilt switch Electricity 5 Expired
US4791265A Methods and apparatus for electric resistance welding Performing Operations; Transporting 5 Expired
US5359162A Shock sensor switch having a liquid conductor Electricity 5 Expired
US5900602A Electric switch for enhancing electric current flow by quantum tunneling effect Electricity 5 Expired
US5354958A Jitter switch Electricity 4 Expired
US3976960A Mercury switch Electricity 4 Expired

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