Assignee
PROD RES & DEV
US·18 granted patents·621 citations·filing 1978–1993
Top patents by PatentIndex Score
18 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
- 0383US4684332ARatio pump and methodPROD RES & DEV·Filed 1985·Granted Aug 4, 1987·33 cites·13 claims
- 0483US4493435ALiquid dispensing system and automatic selector thereforPROD RES & DEV·Filed 1982·Granted Jan 15, 1985·38 cites·20 claims
- 0575US4797069APump with variable angle wobble platePROD RES & DEV·Filed 1987·Granted Jan 10, 1989·30 cites·14 claims
- 0670US5020605APost driver and methodologyPROD RES & DEV·Filed 1989·Granted Jun 4, 1991·36 cites·18 claims
- 0766US5028166AHighway guidepostPROD RES & DEV·Filed 1989·Granted Jul 2, 1991·31 cites·12 claims
- 0865US5000845AReverse osmosis system and automatic cycling booster pump thereforPROD RES & DEV·Filed 1989·Granted Mar 19, 1991·20 cites·7 claims
- 0964US4610192AReciprocable devicePROD RES & DEV·Filed 1984·Granted Sep 9, 1986·25 cites·20 claims
- 1062US5154820AReverse osmosis system with cycled pressure intensifiersPROD RES & DEV·Filed 1990·Granted Oct 13, 1992·21 cites·16 claims
- 1162US4214137APressure switch with snap elementPROD RES & DEV·Filed 1978·Granted Jul 22, 1980·10 cites·7 claims
- 1259US5244361APump for reverse osmosis systemPROD RES & DEV·Filed 1992·Granted Sep 14, 1993·18 cites·20 claims
- 1351US4827832AValve system for a reciprocating devicePROD RES & DEV·Filed 1982·Granted May 9, 1989·11 cites·14 claims
- 1445US5380428APump for reverse osmosis systemPROD RES & DEV·Filed 1993·Granted Jan 10, 1995·16 cites·8 claims
- 1543US5193988AReverse osmosis system and automatic cycling booster pump thereforPROD RES & DEV·Filed 1990·Granted Mar 16, 1993·10 cites·8 claims
- 1642US4995793AReverse osmosis system and automatic cycling booster pump thereforPROD RES & DEV·Filed 1989·Granted Feb 26, 1991·8 cites·7 claims
- 1742US4827831AReciprocating device and switching mechanism thereforPROD RES & DEV·Filed 1987·Granted May 9, 1989·8 cites·14 claims
- 1841US5125809AWobble plate pumpPROD RES & DEV·Filed 1990·Granted Jun 30, 1992·8 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when PROD RES & DEV files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →