Assignee
STACKPOLE LTD
CA·30 granted patents·1 pending application·913 citations·filing 1985–2008
Top patents by PatentIndex Score
31 records- 0194US5516483AHi-density sintered alloySTACKPOLE LTD·Filed 1994·Granted May 14, 1996·46 cites·17 claims
- 0294US5476632APowder metal alloy processSTACKPOLE LTD·Filed 1992·Granted Dec 19, 1995·68 cites·17 claims
- 0391US6365094B1Lubricated dieSTACKPOLE LTD·Filed 2000·Granted Apr 2, 2002·27 cites·37 claims
- 0491US4544431ARoll fed labelling machineSTACKPOLE LTD·Filed 1985·Granted Oct 1, 1985·84 cites·20 claims
- 0590US5729822AGearsSTACKPOLE LTD·Filed 1996·Granted Mar 17, 1998·70 cites·7 claims
- 0688US5754937AHi-density forming processSTACKPOLE LTD·Filed 1996·Granted May 19, 1998·44 cites·16 claims
- 0784US5540883AMethod of producing bearingsSTACKPOLE LTD·Filed 1994·Granted Jul 30, 1996·60 cites·15 claims
- 0883US6193927B1High density forming process with ferro alloy and prealloySTACKPOLE LTD·Filed 1996·Granted Feb 27, 2001·31 cites·22 claims
- 0983US5722815AThree stage self regulating gerotor pumpSTACKPOLE LTD·Filed 1995·Granted Mar 3, 1998·49 cites·18 claims
- 1081US5698149APhased split dieSTACKPOLE LTD·Filed 1993·Granted Dec 16, 1997·51 cites·40 claims
- 1178US6907971B2One-way clutchSTACKPOLE LTD·Filed 2002·Granted Jun 21, 2005·20 cites·16 claims
- 1272US6019937APress and sinter process for high density componentsSTACKPOLE LTD·Filed 1998·Granted Feb 1, 2000·20 cites·17 claims
- 1372US4758300AHigh speed labelling machineSTACKPOLE LTD·Filed 1987·Granted Jul 19, 1988·35 cites·9 claims
- 1471US6143240AHigh density forming process with powder blendsSTACKPOLE LTD·Filed 1997·Granted Nov 7, 2000·22 cites·20 claims
- 1570US6099772AUndercut split dieSTACKPOLE LTD·Filed 1993·Granted Aug 8, 2000·25 cites·29 claims
- 1669US6318986B1Undercut split dieSTACKPOLE LTD·Filed 1998·Granted Nov 20, 2001·28 cites·8 claims
- 1769US6120728AMethod of making a component using a phased split dieSTACKPOLE LTD·Filed 1997·Granted Sep 19, 2000·15 cites·8 claims
- 1869US5641922AHi-density sintered alloy and spheroidization method for pre-alloyed powdersSTACKPOLE LTD·Filed 1996·Granted Jun 24, 1997·18 cites·6 claims
- 1967US5997805AHigh carbon, high density formingSTACKPOLE LTD·Filed 1997·Granted Dec 7, 1999·28 cites·30 claims
- 2066US5512236ASintered coining processSTACKPOLE LTD·Filed 1992·Granted Apr 30, 1996·17 cites·17 claims
- 2165US6440357B1Compacted-powder opposed twin-helical gears and methodSTACKPOLE LTD·Filed 1999·Granted Aug 27, 2002·26 cites·28 claims
- 2264US6110419APoint contact densificationSTACKPOLE LTD·Filed 1997·Granted Aug 29, 2000·27 cites·20 claims
- 2361US5096398APulse tuned optimized positive displacement portingSTACKPOLE LTD·Filed 1990·Granted Mar 17, 1992·21 cites·20 claims
- 2459US6165400ACompacted-powder opposed twin-helical gears and methodSTACKPOLE LTD·Filed 1996·Granted Dec 26, 2000·33 cites·31 claims
- 2556US5834640APowder metal alloy processSTACKPOLE LTD·Filed 1995·Granted Nov 10, 1998·13 cites·28 claims
- 2656US5656787AHi-density sintered alloySTACKPOLE LTD·Filed 1995·Granted Aug 12, 1997·16 cites·13 claims
- 2747US2009129964A1Method of forming powder metal components having surface densificationSTACKPOLE LTD·Filed 2005·Application pending·0 cites
- 2842US5135373ASpur gear with epi-cycloidal and hypo-cycloidal tooth shapesSTACKPOLE LTD·Filed 1990·Granted Aug 4, 1992·11 cites·9 claims
- 2941US7955063B2Vane pumpSTACKPOLE LTD·Filed 2008·Granted Jun 7, 2011·0 cites·7 claims
- 3041US5881354ASintered hi-density process with formingSTACKPOLE LTD·Filed 1996·Granted Mar 9, 1999·8 cites·18 claims
- 3127US6346213B1Press and sinter process for high density componentsSTACKPOLE LTD·Filed 1999·Granted Feb 12, 2002·0 cites·7 claims
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