Assignee
DEWANDRE CO LTD C
25 granted patents·178 citations·filing 1974–1989
Top patents by PatentIndex Score
25 records- 0168US3972557AHydraulic cab-tilting systemsDEWANDRE CO LTD C·Filed 1974·Granted Aug 3, 1976·24 cites·7 claims
- 0262US4486053ASolenoid operated valvesDEWANDRE CO LTD C·Filed 1981·Granted Dec 4, 1984·13 cites·8 claims
- 0356US4143924ALoad-sensing valvesDEWANDRE CO LTD C·Filed 1977·Granted Mar 13, 1979·8 cites·7 claims
- 0454US4174016AHydraulic cab tilting systemsDEWANDRE CO LTD C·Filed 1977·Granted Nov 13, 1979·13 cites·8 claims
- 0553US4236762AFull power hydraulic braking systems for tractor-trailer combinationsDEWANDRE CO LTD C·Filed 1978·Granted Dec 2, 1980·6 cites·2 claims
- 0653US3943831ASpring brake units and drainage means thereforDEWANDRE CO LTD C·Filed 1974·Granted Mar 16, 1976·12 cites·6 claims
- 0751US4866938AMaster cylinder piston with floating sealing ring recuperation valveDEWANDRE CO LTD C·Filed 1988·Granted Sep 19, 1989·8 cites·25 claims
- 0848US4285364AHose couplingDEWANDRE CO LTD C·Filed 1980·Granted Aug 25, 1981·15 cites·9 claims
- 0944US4875742ASolenoid operated hydraulic control valveDEWANDRE CO LTD C·Filed 1988·Granted Oct 24, 1989·5 cites·14 claims
- 1044US4525128AReciprocating exhausterDEWANDRE CO LTD C·Filed 1983·Granted Jun 25, 1985·5 cites·7 claims
- 1144US4343517AHydraulic braking systems for tractor-trailer combinationsDEWANDRE CO LTD C·Filed 1980·Granted Aug 10, 1982·6 cites·10 claims
- 1242US5007455APilot-operated hydraulic antilock modulatorDEWANDRE CO LTD C·Filed 1989·Granted Apr 16, 1991·8 cites·43 claims
- 1341US4057128ASlack adjusters for vehicle brakesDEWANDRE CO LTD C·Filed 1976·Granted Nov 8, 1977·7 cites·7 claims
- 1440US4239293AVehicle braking system with valving to control spring applied brakes and fluid actuated service brake unitsDEWANDRE CO LTD C·Filed 1979·Granted Dec 16, 1980·4 cites·5 claims
- 1539US4275643AHydraulic control systemsDEWANDRE CO LTD C·Filed 1979·Granted Jun 30, 1981·6 cites·5 claims
- 1638US4911615AHydraulic pump unloaderDEWANDRE CO LTD C·Filed 1989·Granted Mar 27, 1990·9 cites·6 claims
- 1738US4172619AFollow-up hand control valve for use with hydraulic spring brakesDEWANDRE CO LTD C·Filed 1978·Granted Oct 30, 1979·8 cites·8 claims
- 1838US4010983ADual brake circuit valve assemblyDEWANDRE CO LTD C·Filed 1975·Granted Mar 8, 1977·6 cites·2 claims
- 1936US4260197ASpool type brake valvesDEWANDRE CO LTD C·Filed 1978·Granted Apr 7, 1981·2 cites·4 claims
- 2030US4105087AHydraulic cab tilting systemsDEWANDRE CO LTD C·Filed 1977·Granted Aug 8, 1978·3 cites·3 claims
- 2129US3945685AFull-power hydraulic braking systemsDEWANDRE CO LTD C·Filed 1974·Granted Mar 23, 1976·4 cites·4 claims
- 2227US4236761ADual circuit braking system employing single load sensing valve in one circuit and relay valve in other circuitDEWANDRE CO LTD C·Filed 1978·Granted Dec 2, 1980·1 cites·5 claims
- 2326US4078844ATruck and trailer braking systemsDEWANDRE CO LTD C·Filed 1976·Granted Mar 14, 1978·1 cites·12 claims
- 2425US3945691AFull-power hydraulic braking systemsDEWANDRE CO LTD C·Filed 1974·Granted Mar 23, 1976·2 cites·9 claims
- 2522US4821518AClutch booster with overcenter meansDEWANDRE CO LTD C·Filed 1987·Granted Apr 18, 1989·2 cites·8 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →