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
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →