Inventor · disambiguated record
Walter Schwarz
Also filed as: SCHWARZ WALTER · SCHWARZ WALTER J · SCHWARZ WALTER JACK
21 granted patents·1 pending application·472 citations·filing 1974–2010
96Inventor score
Top patents by PatentIndex Score
22 records- 0196US4402296ADual fuel supply system and method for an internal combustion engineSCHWARZ WALTER J·Filed 1981·Granted Sep 6, 1983·182 cites·9 claims
- 0282US4147381APipe couplingSCHWARZ WALTER·Filed 1977·Granted Apr 3, 1979·39 cites·14 claims
- 0379US7409793B1Waterfowl decoy accessorySCHWARZ WALTER JACK·Filed 2007·Granted Aug 12, 2008·14 cites·5 claims
- 0477US3993331AElectrically insulating pipe couplingSCHWARZ WALTER·Filed 1974·Granted Nov 23, 1976·26 cites·26 claims
- 0576US4662762AAdjustable circulating roller body straight-line guideMAHO WERKZEUGMASCHBAU BABEL·Filed 1985·Granted May 5, 1987·31 cites·6 claims
- 0673US7828777B2Sealing elementVETTER & CO APOTHEKER·Filed 2002·Granted Nov 9, 2010·17 cites·25 claims
- 0772US8235951B2Attachment for a syringe or cartridgeHUND PETRA·Filed 2006·Granted Aug 7, 2012·17 cites·5 claims
- 0870US4780952ATool carriage for loading machine toolsMAHO AG·Filed 1987·Granted Nov 1, 1988·20 cites·7 claims
- 0968US4941394AHand-held automatic firearmSTEYR DAIMLER PUCH AG·Filed 1989·Granted Jul 17, 1990·23 cites·6 claims
- 1066US4234368AMethod of making a pipe couplingSCHWARZ WALTER·Filed 1978·Granted Nov 18, 1980·22 cites·3 claims
- 1158US4209482AMethod of producing shaped bodies of reinforced synthetic resinSCHWARZ WALTER·Filed 1978·Granted Jun 24, 1980·16 cites·12 claims
- 1253US4151940AApparatus for automatically loosening the marginal strip from a sheet of contour-cut glassSAINT GOBAIN·Filed 1978·Granted May 1, 1979·13 cites·12 claims
- 1351US6586928B1Distance measuring deviceBOSCH GMBH ROBERT·Filed 2000·Granted Jul 1, 2003·5 cites·5 claims
- 1449US2011046563A1Sealing elementVETTER UDO J·Filed 2010·Application pending·0 cites
- 1544US4643591AAdjustable guide for relatively moveable parts, particularly of machine toolsMAHO WERKZEUGMASCHBAU BABEL·Filed 1985·Granted Feb 17, 1987·11 cites·5 claims
- 1642US5282301ADevice for laying a resistance wire in an undulating shape on the interposed thermoplastic film of a laminated glazingSAINT GOBAIN VITRAGE·Filed 1992·Granted Feb 1, 1994·15 cites·8 claims
- 1742US5079938AProcess and apparatus for producing a helically seamed pipeSCHWARZ WALTER·Filed 1988·Granted Jan 14, 1992·8 cites·13 claims
- 1834US4998852AAttachment tool for machine tools such as milling machinesMAHO AG·Filed 1989·Granted Mar 12, 1991·3 cites·21 claims
- 1933US5280965AForm-fitting and material-locking pipe connection, in particular electrically insulating pipe connectionSCHWARZ WALTER·Filed 1991·Granted Jan 25, 1994·6 cites·26 claims
- 2031US3969157AMethod of providing decarbonization protection for metallic surfacesVER EDELSTAHLWERKE AG·Filed 1974·Granted Jul 13, 1976·3 cites·5 claims
- 2129US4884426ADevice for spiral winding of tapesSCHWARZ WALTER·Filed 1988·Granted Dec 5, 1989·1 cites·16 claims
- 2229US4774827AProcess of spirally winding tapesSCHWARZ WALTER·Filed 1988·Granted Oct 4, 1988·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Walter Schwarz 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 →