Assignee
ASPRO INC
32 granted patents·699 citations·filing 1974–1978
Top patents by PatentIndex Score
32 records- 0193US4156547ASpeed-responsive anti-skid and anti-spin system for vehiclesASPRO INC·Filed 1977·Granted May 29, 1979·35 cites·8 claims
- 0293US3977264AMethod of making poly-v pulleys and productASPRO INC·Filed 1975·Granted Aug 31, 1976·52 cites·12 claims
- 0391US4055976AMethod of roller spinning cup-shaped metal blanks and roller construction thereforASPRO INC·Filed 1976·Granted Nov 1, 1977·54 cites·5 claims
- 0491US4050321AMulti V-grooved pulley structure and method of making sameASPRO INC·Filed 1976·Granted Sep 27, 1977·51 cites·18 claims
- 0589US4254541AMethod of making clutch housing and pulley assemblyASPRO INC·Filed 1978·Granted Mar 10, 1981·32 cites·19 claims
- 0687US3994181ANoise-dampened pulley constructionASPRO INC·Filed 1975·Granted Nov 30, 1976·36 cites·15 claims
- 0786US4090284AMethod of making a sintered pulley hub constructionASPRO INC·Filed 1977·Granted May 23, 1978·27 cites·11 claims
- 0885US4066300ADigital traction control systemASPRO INC·Filed 1976·Granted Jan 3, 1978·24 cites·9 claims
- 0985US4056291AClutch housing and bearing assembly and method of making the sameASPRO INC·Filed 1976·Granted Nov 1, 1977·26 cites·7 claims
- 1080US4141430ASpeed-responsive tag axle control systemASPRO INC·Filed 1977·Granted Feb 27, 1979·27 cites·15 claims
- 1179US4226320ACentrifugal clutch constructionASPRO INC·Filed 1978·Granted Oct 7, 1980·22 cites·5 claims
- 1279US4041746AMethod of making V-grooved sheet metal pulleysASPRO INC·Filed 1976·Granted Aug 16, 1977·22 cites·10 claims
- 1377US3981545ATraction control apparatusASPRO INC·Filed 1975·Granted Sep 21, 1976·31 cites·13 claims
- 1475US3991598AMethod of roller spinning cup-shaped metal blanksASPRO INC·Filed 1975·Granted Nov 16, 1976·25 cites·10 claims
- 1574US4109542ASpun V-grooved sheet metal pulley with thick hub wall integral with thin side wallASPRO INC·Filed 1976·Granted Aug 29, 1978·15 cites·6 claims
- 1674US4023250AMethod and apparatus for making hubless V-grooved pulley and productASPRO INC·Filed 1975·Granted May 17, 1977·29 cites·14 claims
- 1772US4059023AOne-piece sintered pulley hub constructionASPRO INC·Filed 1976·Granted Nov 22, 1977·26 cites·11 claims
- 1872US3995474AMethod of making spun V-grooved sheet metal pulleysASPRO INC·Filed 1975·Granted Dec 7, 1976·15 cites·20 claims
- 1967US3930424AMulti-shell limited slip differentialASPRO INC·Filed 1974·Granted Jan 6, 1976·24 cites·8 claims
- 2064US4016642AMethod of making clutch housing and bearing assemblyASPRO INC·Filed 1975·Granted Apr 12, 1977·13 cites·12 claims
- 2162US3964346ALimited slip differential including conical pinion and side gearsASPRO INC·Filed 1974·Granted Jun 22, 1976·20 cites·9 claims
- 2261US4016963ACentrifugal clutch constructionASPRO INC·Filed 1976·Granted Apr 12, 1977·13 cites·13 claims
- 2360US4046214ABrake pressure modulator and systemASPRO INC·Filed 1976·Granted Sep 6, 1977·8 cites·34 claims
- 2460US3961309AHigh-low tire pressure signal switchASPRO INC·Filed 1975·Granted Jun 1, 1976·13 cites·14 claims
- 2557US3999636ASelf-adjusting brake constructionASPRO INC·Filed 1975·Granted Dec 28, 1976·13 cites·9 claims
- 2650US3931872AReversible overrunning clutch with automatic shift control and friction reducing meansASPRO INC·Filed 1974·Granted Jan 13, 1976·10 cites·8 claims
- 2748US4062433AQuick release centrifugal clutch constructionASPRO INC·Filed 1976·Granted Dec 13, 1977·8 cites·15 claims
- 2847US4056014ASintered pulley hub construction and method of making sameASPRO INC·Filed 1976·Granted Nov 1, 1977·7 cites·13 claims
- 2943US4282962APivotal mounting assemblyASPRO INC·Filed 1978·Granted Aug 11, 1981·6 cites·9 claims
- 3041US4015694ABrake constructionASPRO INC·Filed 1975·Granted Apr 5, 1977·7 cites·17 claims
- 3139US4020936ACentrifugal clutch with centrifugal detentASPRO INC·Filed 1975·Granted May 3, 1977·5 cites·21 claims
- 3230US3999637AParking brake constructionASPRO INC·Filed 1975·Granted Dec 28, 1976·3 cites·11 claims
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