Inventor · disambiguated record
Donald J. Klein
Also filed as: KLEIN DONALD J
7 granted patents·1 pending application·210 citations·filing 1973–2007
88Inventor score
Top patents by PatentIndex Score
8 records- 0180US6899355B2Fitting for flexible tubingLASCO FITTINGS INC·Filed 2002·Granted May 31, 2005·36 cites·19 claims
- 0278US3966982AProcess and apparatus for treating oleaginous seed materialDRAVO CORP·Filed 1973·Granted Jun 29, 1976·44 cites·35 claims
- 0377US4113829AMethod of forming a bell end on thermoplastic pipePHILIPS IND INC·Filed 1976·Granted Sep 12, 1978·40 cites·29 claims
- 0474US4783100ASwivel jointPHILIPS IND INC·Filed 1987·Granted Nov 8, 1988·41 cites·3 claims
- 0572US5143117ABreak away check valveTOMKINS IND INC·Filed 1991·Granted Sep 1, 1992·34 cites·12 claims
- 0661US7428909B2Fixtures for trapping condensationLASCO FITTINGS INC·Filed 2004·Granted Sep 30, 2008·5 cites·71 claims
- 0756US6758244B2Thrust plug and method for using a thrust plugLASCO FITTINGS INC·Filed 2002·Granted Jul 6, 2004·10 cites·5 claims
- 0845US2008106092A1Manifold arrangementLASCO FITTINGS INC·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Donald J. Klein files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →