Assignee
NAT MACHINERY CO
US·50 granted patents·563 citations·filing 1974–1998
Top patents by PatentIndex Score
50 records- 0186US4387502ASemi-automatic tool changerNAT MACHINERY CO·Filed 1981·Granted Jun 14, 1983·57 cites·6 claims
- 0276US4304041AAutomatic tool changer for forging machinesNAT MACHINERY CO·Filed 1980·Granted Dec 8, 1981·32 cites·24 claims
- 0372US5560238AThread rolling monitorNAT MACHINERY CO·Filed 1994·Granted Oct 1, 1996·33 cites·11 claims
- 0467US4898017AQuick-change tooling for progressive formers and the likeNAT MACHINERY CO·Filed 1988·Granted Feb 6, 1990·23 cites·18 claims
- 0566US4615197AThread rolling monitoring systemNAT MACHINERY CO·Filed 1984·Granted Oct 7, 1986·20 cites·15 claims
- 0663US5105649AMethod of producing forging machinesNAT MACHINERY CO·Filed 1991·Granted Apr 21, 1992·25 cites·2 claims
- 0763US4942796AStock feed apparatus for forging machines and the likeNAT MACHINERY CO·Filed 1988·Granted Jul 24, 1990·26 cites·18 claims
- 0862US4342233ALoad detecting probeNAT MACHINERY CO·Filed 1980·Granted Aug 3, 1982·20 cites·21 claims
- 0959US4575343ABimetal electrode and method of making sameNAT MACHINERY CO·Filed 1981·Granted Mar 11, 1986·17 cites·23 claims
- 1059US4044588AHigh speed ball headerNAT MACHINERY CO·Filed 1976·Granted Aug 30, 1977·14 cites·22 claims
- 1158US4805437AMethod and apparatus for producing fasteners having wrenching sockets thereinNAT MACHINERY CO·Filed 1987·Granted Feb 21, 1989·17 cites·17 claims
- 1257US5345800AFlat die thread rollerNAT MACHINERY CO·Filed 1993·Granted Sep 13, 1994·12 cites·4 claims
- 1357US4137748AWedging structure for presses or the likeNAT MACHINERY CO·Filed 1977·Granted Feb 6, 1979·15 cites·18 claims
- 1457US3965718ATransfer mechanismNAT MACHINERY CO·Filed 1974·Granted Jun 29, 1976·14 cites·31 claims
- 1552US4631950AProgressive former with removable toolingNAT MACHINERY CO·Filed 1984·Granted Dec 30, 1986·12 cites·18 claims
- 1650US5555757AFlat die thread rollerNAT MACHINERY CO·Filed 1995·Granted Sep 17, 1996·9 cites·8 claims
- 1750US5542275AFlat die thread rollerNAT MACHINERY CO·Filed 1995·Granted Aug 6, 1996·9 cites·1 claims
- 1846US5848547ACassette toolingNAT MACHINERY CO·Filed 1998·Granted Dec 15, 1998·10 cites·3 claims
- 1946US3978538AMethod for making shouldered tubular rivetsNAT MACHINERY CO·Filed 1974·Granted Sep 7, 1976·11 cites·8 claims
- 2044US4283974ABar end dropper for forging machines or the likeNAT MACHINERY CO·Filed 1979·Granted Aug 18, 1981·8 cites·16 claims
- 2143US4585421AMethod of making copper-clad bimetal electrodes for spark plugsNAT MACHINERY CO·Filed 1983·Granted Apr 29, 1986·9 cites·15 claims
- 2243US4549425AForging machine transfer with misalignment detectorNAT MACHINERY CO·Filed 1983·Granted Oct 29, 1985·7 cites·16 claims
- 2343US4317354ABlank rejector for forging machineNAT MACHINERY CO·Filed 1980·Granted Mar 2, 1982·11 cites·13 claims
- 2442US5704245AProgressive forging machine with individually adjustable toolsNAT MACHINERY CO·Filed 1996·Granted Jan 6, 1998·11 cites·9 claims
- 2542US4351180AWorkpiece turning transferNAT MACHINERY CO·Filed 1980·Granted Sep 28, 1982·8 cites·20 claims
- 2640US5829302ACassette toolingNAT MACHINERY CO·Filed 1996·Granted Nov 3, 1998·7 cites·16 claims
- 2740US5732589AAutomatically adjustable multiple CAM for forging machineNAT MACHINERY CO·Filed 1996·Granted Mar 31, 1998·13 cites·12 claims
- 2839US5005397AMethod for providing progressive formers with quick-change toolingNAT MACHINERY CO·Filed 1989·Granted Apr 9, 1991·7 cites·4 claims
- 2937US5724847AIntegrated wire feed and draw apparatusNAT MACHINERY CO·Filed 1996·Granted Mar 10, 1998·7 cites·21 claims
- 3037US5230235AFlat die thread rollerNAT MACHINERY CO·Filed 1992·Granted Jul 27, 1993·7 cites·7 claims
- 3137US4395899AForging machine for producing rivets or the like having running adjustmentsNAT MACHINERY CO·Filed 1980·Granted Aug 2, 1983·5 cites·14 claims
- 3236US5131250AFlat die thread rollerNAT MACHINERY CO·Filed 1991·Granted Jul 21, 1992·4 cites·25 claims
- 3336US4606730ABimetal electrodes for spark plugs or the like and method of making sameNAT MACHINERY CO·Filed 1983·Granted Aug 19, 1986·8 cites·8 claims
- 3435US4910993AProgressive former and method of producing sameNAT MACHINERY CO·Filed 1988·Granted Mar 27, 1990·5 cites·23 claims
- 3535US4488426AForging machine for producing rivets or the like having running adjustmentsNAT MACHINERY CO·Filed 1983·Granted Dec 18, 1984·4 cites·9 claims
- 3635US4084278AHigh speed transferNAT MACHINERY CO·Filed 1976·Granted Apr 18, 1978·4 cites·19 claims
- 3734US5713236APick and place transferNAT MACHINERY CO·Filed 1995·Granted Feb 3, 1998·10 cites·9 claims
- 3833US5138866AProgressive former and method of producing sameNAT MACHINERY CO·Filed 1991·Granted Aug 18, 1992·6 cites·4 claims
- 3933US4538437AForging machine kickout drive with running adjustmentNAT MACHINERY CO·Filed 1984·Granted Sep 3, 1985·3 cites·14 claims
- 4033US4398408AForging machine transferNAT MACHINERY CO·Filed 1981·Granted Aug 16, 1983·4 cites·7 claims
- 4133US4130005AHigh speed ball headerNAT MACHINERY CO·Filed 1977·Granted Dec 19, 1978·4 cites·8 claims
- 4232US5363686AProgressive formerNAT MACHINERY CO·Filed 1993·Granted Nov 15, 1994·6 cites·4 claims
- 4332US4779444AClosed die forging machineNAT MACHINERY CO·Filed 1987·Granted Oct 25, 1988·3 cites·23 claims
- 4431US4059860AApparatus for making shouldered tubular rivetsNAT MACHINERY CO·Filed 1976·Granted Nov 29, 1977·5 cites·3 claims
- 4530US5263356AProgressive former and method of producing sameNAT MACHINERY CO·Filed 1992·Granted Nov 23, 1993·4 cites·4 claims
- 4628US5906544AWasher assembly apparatusNAT MACHINERY CO·Filed 1997·Granted May 25, 1999·5 cites·21 claims
- 4727US4586364AQuick-change transfer headNAT MACHINERY CO·Filed 1982·Granted May 6, 1986·7 cites·7 claims
- 4825US4584744AApparatus for assembling and forming partsNAT MACHINERY CO·Filed 1982·Granted Apr 29, 1986·2 cites·15 claims
- 4921US5746087AHeading slide guiding systemNAT MACHINERY CO·Filed 1997·Granted May 5, 1998·1 cites·12 claims
- 5020US4301671ASupported knockout pin assembly for forging machines or the likeNAT MACHINERY CO·Filed 1980·Granted Nov 24, 1981·2 cites·18 claims
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