Inventor · disambiguated record
E. Dale Hartley
Also filed as: HARTLEY E DALE
23 granted patents·795 citations·filing 1976–1995
97Inventor score
Top patents by PatentIndex Score
23 records- 0198US4610605ATriple discharge pumpPROD RES & DEV·Filed 1985·Granted Sep 9, 1986·242 cites·19 claims
- 0291US4396357ADiaphragm pump with ball bearing drivePROD RES & DEV·Filed 1981·Granted Aug 2, 1983·56 cites·13 claims
- 0389US5505593AReciprocable device with switching mechanismSHURFLO PUMP MANUFACTURING CO·Filed 1993·Granted Apr 9, 1996·62 cites·17 claims
- 0488US4305702APump with expandable chamberHARTLEY E DALE·Filed 1979·Granted Dec 15, 1981·43 cites·9 claims
- 0583US4684332ARatio pump and methodPROD RES & DEV·Filed 1985·Granted Aug 4, 1987·33 cites·13 claims
- 0683US4493435ALiquid dispensing system and automatic selector thereforPROD RES & DEV·Filed 1982·Granted Jan 15, 1985·38 cites·20 claims
- 0779US4645426ABilge pumpHARTLEY E DALE·Filed 1985·Granted Feb 24, 1987·38 cites·15 claims
- 0878US5379795AVenting apparatusSHURFLO PUMP MANUFACTURING CO·Filed 1993·Granted Jan 10, 1995·38 cites·23 claims
- 0975US4797069APump with variable angle wobble platePROD RES & DEV·Filed 1987·Granted Jan 10, 1989·30 cites·14 claims
- 1073US4242061ADouble diaphragm pumpHARTLEY E DALE·Filed 1978·Granted Dec 30, 1980·23 cites·19 claims
- 1171US5500113AReverse osmosis water systemSHURFLO PUMP MANUFACTURING CO·Filed 1993·Granted Mar 19, 1996·29 cites·22 claims
- 1264US5470209AOffset reciprocable deviceSHURFLO PUMP MANUFACTURING CO·Filed 1993·Granted Nov 28, 1995·23 cites·15 claims
- 1364US4610192AReciprocable devicePROD RES & DEV·Filed 1984·Granted Sep 9, 1986·25 cites·20 claims
- 1462US4214137APressure switch with snap elementPROD RES & DEV·Filed 1978·Granted Jul 22, 1980·10 cites·7 claims
- 1561US4300592APressure regulatorHARTLEY E DALE·Filed 1976·Granted Nov 17, 1981·15 cites·10 claims
- 1657US5242281AWobble plate pumpHARTLEY E DALE·Filed 1992·Granted Sep 7, 1993·16 cites·21 claims
- 1755US5667105APortion control valve and system and method utilizing the sameSHURFLO PUMP MANUFACTURING CO·Filed 1995·Granted Sep 16, 1997·22 cites·20 claims
- 1853US4182368APressure regulatorHARTLEY E DALE·Filed 1977·Granted Jan 8, 1980·11 cites·17 claims
- 1951US4827832AValve system for a reciprocating devicePROD RES & DEV·Filed 1982·Granted May 9, 1989·11 cites·14 claims
- 2042US4827831AReciprocating device and switching mechanism thereforPROD RES & DEV·Filed 1987·Granted May 9, 1989·8 cites·14 claims
- 2141US5125809AWobble plate pumpPROD RES & DEV·Filed 1990·Granted Jun 30, 1992·8 cites·6 claims
- 2240US4230026AReciprocating piston deviceHARTLEY E DALE·Filed 1978·Granted Oct 28, 1980·6 cites·8 claims
- 2331US4290040AElectromagnetic actuator having preloaded spring meansFEIGHTNER L CLARK·Filed 1979·Granted Sep 15, 1981·8 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →