Assignee
BERCHEM & SCHABERG GMBH
DE·31 granted patents·832 citations·filing 1982–1992
Top patents by PatentIndex Score
31 records- 0194US5150304AMethod of making an implantable joint prosthesisBERCHEM & SCHABERG GMBH·Filed 1990·Granted Sep 22, 1992·303 cites·15 claims
- 0286US4995427APipe section, especially for abrasive and/or corrosive material pipelinesBERCHEM & SCHABERG GMBH·Filed 1989·Granted Feb 26, 1991·49 cites·10 claims
- 0385US4662047AMethod of making a one-piece piston for an internal-combustion engineBERCHEM & SCHABERG GMBH·Filed 1986·Granted May 5, 1987·42 cites·5 claims
- 0485US4532686AMethod of making a piston bottomBERCHEM & SCHABERG GMBH·Filed 1983·Granted Aug 6, 1985·38 cites·5 claims
- 0579US4711503AReplaceable tooth for a digging and breaking toolBERCHEM & SCHABERG GMBH·Filed 1986·Granted Dec 8, 1987·32 cites·5 claims
- 0677US5271427AAssembly for the control of pressure and volume flow of a flowable mediumBERCHEM & SCHABERG GMBH·Filed 1992·Granted Dec 21, 1993·37 cites·17 claims
- 0777US4510706ACutting-tooth anchor for suction dredge and method of making sameBERCHEM & SCHABERG GMBH·Filed 1984·Granted Apr 16, 1985·26 cites·6 claims
- 0875US4527987ASprocket wheel and method of making sameBERCHEM & SCHABERG GMBH·Filed 1983·Granted Jul 9, 1985·19 cites·2 claims
- 0974US4634062AForged steel grinding element for ball millingBERCHEM & SCHABERG GMBH·Filed 1984·Granted Jan 6, 1987·17 cites·2 claims
- 1071US4815704ABall valveBERCHEM & SCHABERG GMBH·Filed 1988·Granted Mar 28, 1989·25 cites·6 claims
- 1170US5205533ABall valveBERCHEM & SCHABERG GMBH·Filed 1991·Granted Apr 27, 1993·30 cites·5 claims
- 1265US4932432AShutoff and flow-control valveBERCHEM & SCHABERG GMBH·Filed 1989·Granted Jun 12, 1990·21 cites·7 claims
- 1362US4488608ARotary stone-cutting head with hardened teeth insertsBERCHEM & SCHABERG GMBH·Filed 1982·Granted Dec 18, 1984·15 cites·6 claims
- 1457US4711504ARotating cutter headBERCHEM & SCHABERG GMBH·Filed 1986·Granted Dec 8, 1987·15 cites·5 claims
- 1555US4838312AThree-way valveBERCHEM & SCHABERG GMBH·Filed 1988·Granted Jun 13, 1989·15 cites·6 claims
- 1654US4769886AConcrete reinforcing element and method of making a concrete reinforcementBERCHEM & SCHABERG GMBH·Filed 1984·Granted Sep 13, 1988·16 cites·4 claims
- 1751US4744158AExcavator tooth assembly for earth moving equipmentBERCHEM & SCHABERG GMBH·Filed 1986·Granted May 17, 1988·13 cites·1 claims
- 1849US4461513ARotary stone-cutting headBERCHEM & SCHABERG GMBH·Filed 1982·Granted Jul 24, 1984·10 cites·8 claims
- 1945US4946379AJoint prostheses especially hip joint prosthesesBERCHEM & SCHABERG GMBH·Filed 1989·Granted Aug 7, 1990·29 cites·4 claims
- 2045US4936546AFlow-setting valveBERCHEM & SCHABERG GMBH·Filed 1989·Granted Jun 26, 1990·11 cites·1 claims
- 2145US4644776AMethod of making a low-alloy forgingBERCHEM & SCHABERG GMBH·Filed 1985·Granted Feb 24, 1987·5 cites·2 claims
- 2243US4561908AMethod of making forged steel articles, especially for vehicle partsBERCHEM & SCHABERG GMBH·Filed 1983·Granted Dec 31, 1985·8 cites·3 claims
- 2338US4955912AJoint prosthesisBERCHEM & SCHABERG GMBH·Filed 1988·Granted Sep 11, 1990·17 cites·6 claims
- 2438US4550757ATraction chain for a driven wheel of a wheeled vehicleBERCHEM & SCHABERG GMBH·Filed 1983·Granted Nov 5, 1985·5 cites·4 claims
- 2537US4910093APiston blank for a forged pistonBERCHEM & SCHABERG GMBH·Filed 1989·Granted Mar 20, 1990·9 cites·2 claims
- 2637US4716643AMethod of making a machine part for abrasive applicationsBERCHEM & SCHABERG GMBH·Filed 1986·Granted Jan 5, 1988·5 cites·2 claims
- 2736US4712321AExcavator tooth for earth moving equipmentBERCHEM & SCHABERG GMBH·Filed 1986·Granted Dec 15, 1987·6 cites·1 claims
- 2836US4591089AMethod of making a composite forged-metal articleBERCHEM & SCHABERG GMBH·Filed 1984·Granted May 27, 1986·3 cites·6 claims
- 2934US4968004AShutoff and control valveBERCHEM & SCHABERG GMBH·Filed 1989·Granted Nov 6, 1990·3 cites·14 claims
- 3030US5035718AJoint prosthesisBERCHEM & SCHABERG GMBH·Filed 1989·Granted Jul 30, 1991·2 cites·3 claims
- 3129US4676014AExcavator toothBERCHEM & SCHABERG GMBH·Filed 1986·Granted Jun 30, 1987·6 cites·3 claims
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