Assignee
GOETZE AG
DE·82 granted patents·2,427 citations·filing 1976–1993
Top patents by PatentIndex Score
82 records- 0194US4957212ANon-circular piston ringsGOETZE AG·Filed 1988·Granted Sep 18, 1990·1k cites·4 claims
- 0293US4435226AWear resistant cast iron alloy with spheroidal graphite separation and manufacturing method thereforGOETZE AG·Filed 1982·Granted Mar 6, 1984·85 cites·19 claims
- 0390US4846940AElectrolytically deposited hard chronium coatingsGOETZE AG·Filed 1988·Granted Jul 11, 1989·46 cites·25 claims
- 0485US4781389AFlat sealing gasket having graphite-filled armorGOETZE AG·Filed 1986·Granted Nov 1, 1988·47 cites·16 claims
- 0585US4286646AMethod for inoculating or refining metal meltsGOETZE AG·Filed 1979·Granted Sep 1, 1981·18 cites·4 claims
- 0682US4612256AWear-resistant coatingGOETZE AG·Filed 1984·Granted Sep 16, 1986·39 cites·24 claims
- 0781US4250779AApparatus for making out-of-round workpiecesGOETZE AG·Filed 1978·Granted Feb 17, 1981·29 cites·11 claims
- 0880US4542111ASpray powder for the manufacture of wear resistant and temperature resistant coatingsGOETZE AG·Filed 1983·Granted Sep 17, 1985·39 cites·10 claims
- 0980US4484751ACrankcase housing cover with sealing meansGOETZE AG·Filed 1984·Granted Nov 27, 1984·32 cites·14 claims
- 1079US5237971AValve stem seal assemblyGOETZE AG·Filed 1992·Granted Aug 24, 1993·51 cites·5 claims
- 1177US5368797AMethod for making a cover assembly for use on an internal combustion engineGOETZE AG·Filed 1992·Granted Nov 29, 1994·44 cites·11 claims
- 1276US4470605AShaft seal assembly and method of making the sameGOETZE AG·Filed 1984·Granted Sep 11, 1984·27 cites·11 claims
- 1376US4434989ASealing gasketGOETZE AG·Filed 1982·Granted Mar 6, 1984·27 cites·9 claims
- 1475US4756841AFriction-reducing coating compositions and coated machine partGOETZE AG·Filed 1986·Granted Jul 12, 1988·33 cites·14 claims
- 1574US4299629AMetal powder mixtures, sintered article produced therefrom and process for producing sameGOETZE AG·Filed 1979·Granted Nov 10, 1981·26 cites·14 claims
- 1673US4964647AShaft sealing ringGOETZE AG·Filed 1988·Granted Oct 23, 1990·30 cites·7 claims
- 1773US4762330ASealing ringGOETZE AG·Filed 1986·Granted Aug 9, 1988·38 cites·4 claims
- 1873US4600201AImpregnated flat sealing gasket and method of making the sameGOETZE AG·Filed 1985·Granted Jul 15, 1986·27 cites·13 claims
- 1973US4548547ASeal assembly, particularly for liquid pumpsGOETZE AG·Filed 1983·Granted Oct 22, 1985·25 cites·5 claims
- 2073US4531483ALip sealing ring in an internal combustion engineGOETZE AG·Filed 1984·Granted Jul 30, 1985·24 cites·10 claims
- 2171US4748075AFlat sealing material made of a soft substance, particularly for the production of gaskets that are to be subjected to high stressesGOETZE AG·Filed 1983·Granted May 31, 1988·31 cites·14 claims
- 2271US4185843AFriction wear experiencing machine part having a coating on its sliding surfaceGOETZE AG·Filed 1978·Granted Jan 29, 1980·23 cites·18 claims
- 2370US4346684AValve seat ringGOETZE AG·Filed 1980·Granted Aug 31, 1982·24 cites·10 claims
- 2469US4826180AValve stem sealing assemblyGOETZE AG·Filed 1988·Granted May 2, 1989·20 cites·10 claims
- 2568US4667967AShaft sealing system with lip and labyrinth sealsGOETZE AG·Filed 1986·Granted May 26, 1987·25 cites·7 claims
- 2668US4266373AApparatus for deburring edgesGOETZE AG·Filed 1979·Granted May 12, 1981·15 cites·17 claims
- 2766US4597939ASpray powder for producing wear resistant coatingsGOETZE AG·Filed 1983·Granted Jul 1, 1986·19 cites·6 claims
- 2863US4659091ASealing ring for sealing an articulated connectionGOETZE AG·Filed 1985·Granted Apr 21, 1987·29 cites·32 claims
- 2963US4592964AWear-resistant coatingGOETZE AG·Filed 1985·Granted Jun 3, 1986·21 cites·20 claims
- 3060US4681800AImpregnated, soft, flat gasket and manufacturing methodGOETZE AG·Filed 1986·Granted Jul 21, 1987·16 cites·25 claims
- 3160US4635948ARelease coating for gaskets and manufacturing methodGOETZE AG·Filed 1986·Granted Jan 13, 1987·20 cites·13 claims
- 3260US4558872ASlide ring seal assembly with novel compression springGOETZE AG·Filed 1985·Granted Dec 17, 1985·23 cites·6 claims
- 3358US4679472AMethod and apparatus for machining the circumference of out-of-round workpieces, particularly piston ringsGOETZE AG·Filed 1985·Granted Jul 14, 1987·20 cites·21 claims
- 3457US4741965AImpregnated soft substance gasketGOETZE AG·Filed 1986·Granted May 3, 1988·18 cites·19 claims
- 3556US4366543AMethod and apparatus for the out-of-round shaping of workpiecesGOETZE AG·Filed 1980·Granted Dec 28, 1982·19 cites·7 claims
- 3654US4145060AAxially and radially clamping spreader ring for an oil scraping piston ringGOETZE AG·Filed 1976·Granted Mar 20, 1979·13 cites·8 claims
- 3753US4919090AMounting aid for installing valve actuating elementsGOETZE AG·Filed 1989·Granted Apr 24, 1990·15 cites·22 claims
- 3853US4284282ASealing gasketGOETZE AG·Filed 1980·Granted Aug 18, 1981·13 cites·4 claims
- 3953US4139205ACircumferentially resilient piston ringGOETZE AG·Filed 1978·Granted Feb 13, 1979·12 cites·14 claims
- 4050US4756537ACylinder head gasketGOETZE AG·Filed 1986·Granted Jul 12, 1988·13 cites·10 claims
- 4149US4325125AApparatus for orienting out-of-round workpiecesGOETZE AG·Filed 1980·Granted Apr 13, 1982·15 cites·7 claims
- 4248US4854598ASlide ring seal with carrier bodyGOETZE AG·Filed 1988·Granted Aug 8, 1989·13 cites·6 claims
- 4347US4677014AImpregnated gasket and method of making the sameGOETZE AG·Filed 1985·Granted Jun 30, 1987·14 cites·5 claims
- 4447US4656978AValve clearance adjusting deviceGOETZE AG·Filed 1986·Granted Apr 14, 1987·11 cites·22 claims
- 4546US5380018APiston ring having a non-uniform radial pressure distributionGOETZE AG·Filed 1992·Granted Jan 10, 1995·19 cites·13 claims
- 4646US5127497ALip seal ring with improved sealing bondGOETZE AG·Filed 1991·Granted Jul 7, 1992·19 cites·3 claims
- 4745US4502697ACompact integrated face seal unitGOETZE AG·Filed 1984·Granted Mar 5, 1985·13 cites·8 claims
- 4844US5306553AImpregnated flat gasket and method of producing the gasketGOETZE AG·Filed 1992·Granted Apr 26, 1994·16 cites·15 claims
- 4944US4962939ACylinder head gasket having overlays in end zonesGOETZE AG·Filed 1985·Granted Oct 16, 1990·12 cites·11 claims
- 5043US4973066APiston ringGOETZE AG·Filed 1985·Granted Nov 27, 1990·13 cites·1 claims
Showing the top 50 of 82 patent records by PatentIndex Score.
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