Assignee
DELTROL CORP
14 granted patents·1 pending application·205 citations·filing 1973–2021
Top patents by PatentIndex Score
15 records- 0196US4751487ADouble acting permanent magnet latching solenoidDELTROL CORP·Filed 1987·Granted Jun 14, 1988·78 cites·18 claims
- 0281US11618666B2Contactless liquid dispensing valveDELTROL CORP·Filed 2020·Granted Apr 4, 2023·3 cites·20 claims
- 0378US4091839ABall check valveDELTROL CORP·Filed 1974·Granted May 30, 1978·34 cites·4 claims
- 0468US4340203AThree way slide valve with center returnDELTROL CORP·Filed 1980·Granted Jul 20, 1982·27 cites·6 claims
- 0560US4203014AAdjustable interval cycle timerDELTROL CORP·Filed 1978·Granted May 13, 1980·9 cites·12 claims
- 0658US3992960ATwo speed manual preset timerDELTROL CORP·Filed 1975·Granted Nov 23, 1976·14 cites·3 claims
- 0756US3939870ACombination manual and pilot operated directional control valveDELTROL CORP·Filed 1974·Granted Feb 24, 1976·20 cites·2 claims
- 0847US3965312APercentage timerDELTROL CORP·Filed 1975·Granted Jun 22, 1976·7 cites·10 claims
- 0946US11640864B2System and method for detecting position of a solenoid plungerDELTROL CORP·Filed 2019·Granted May 2, 2023·0 cites·8 claims
- 1040US3947790AAutomatic reset timerDELTROL CORP·Filed 1974·Granted Mar 30, 1976·4 cites·19 claims
- 1139US4041424AAutomatic reset timerDELTROL CORP·Filed 1976·Granted Aug 9, 1977·4 cites·27 claims
- 1236US2022017349A1Liquid dispenser including contactless liquid dispensing valveDELTROL CORP·Filed 2021·Application pending·0 cites
- 1332US3950624AAutomatic reset timer with latch controlled cam operatorDELTROL CORP·Filed 1974·Granted Apr 13, 1976·2 cites·15 claims
- 1430US3968698AAutomatic reset timerDELTROL CORP·Filed 1973·Granted Jul 13, 1976·0 cites·23 claims
- 1529US4022109AAutomatic directional control valveDELTROL CORP·Filed 1975·Granted May 10, 1977·3 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →