Patent assignee · US · COMPANY

Tayco Developments, Inc.

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56Patents
0Active
56Granted
38Portfolio score

Filing activity: Dec 23, 1974 → Mar 15, 2006

Most-cited patents

PatentTitleAreaCited byStatus
US4535764A Surgical bone tie Emerging Cross-Sectional Technologies 389 Expired
US4150819A Recoil-counter-recoil system Mechanical Engineering; Lighting; Heating 39 Expired
US3947004A Liquid spring, vehicle suspension system and method for producing a low variance in natural frequency over a predetermined load range Mechanical Engineering; Lighting; Heating 38 Expired
US4064977A Fluid amplified shock absorber having DeLaval nozzle Mechanical Engineering; Lighting; Heating 36 Expired
US5934028A Toggle linkage seismic isolation structure Emerging Cross-Sectional Technologies 36 Expired
US4031978A Energy absorber unit and energy management system Performing Operations; Transporting 35 Expired
US5727663A Method for strengthening structures against damage from seismic forces Fixed Constructions 34 Expired
US4768627A Frictionless hydraulic damper and damper-snubber Emerging Cross-Sectional Technologies 34 Expired
US4815574A Frictionless damper Emerging Cross-Sectional Technologies 33 Expired
US4532856A End cap for fluid cylinder Emerging Cross-Sectional Technologies 31 Expired
US4638895A Frictionless hydraulic damper and damper-snubber Mechanical Engineering; Lighting; Heating 27 Expired
US5462141A Seismic isolator and method for strengthening structures against damage from seismic forces Fixed Constructions 26 Expired
US4867286A Shock absorber having fluid amplified piston head with relief valve which provides second stage of fluid amplification Mechanical Engineering; Lighting; Heating 25 Expired
US4773164A Self-aligning caliber bar Mechanical Engineering; Lighting; Heating 24 Expired
US4877226A Fluid shock absorber constructions Mechanical Engineering; Lighting; Heating 23 Expired
US6247275A Motion-magnifying seismic shock-absorbing construction Fixed Constructions 23 Expired
US4738339A Energy absorber device with composite plastic casing having high strength inner cylinder Emerging Cross-Sectional Technologies 22 Expired
US4991827A Springs formed of rope pressure-saturated or impregnated with binder Mechanical Engineering; Lighting; Heating 22 Expired
US4265344A Liquid spring with integral plastic body and seal and fabrication method therefor Mechanical Engineering; Lighting; Heating 21 Expired
US3933344A Liquid spring-shock absorber assembly Mechanical Engineering; Lighting; Heating 21 Expired
US6216831A Frictionless hydraulic damper and damper-snubber Mechanical Engineering; Lighting; Heating 21 Expired
US4819919A Boot seal for liquid spring used in corrosive environments Emerging Cross-Sectional Technologies 21 Expired
US5870863A Toggle linkage seismic isolation structure Fixed Constructions 20 Expired
US4582303A Seal protecting construction for liquid spring Emerging Cross-Sectional Technologies 20 Expired
US4558767A Fluid amplified shock absorber with rebound stiffening construction Mechanical Engineering; Lighting; Heating 19 Expired

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