Assignee
SIGMA TOOL & MACHINE
CA·17 granted patents·1 pending application·412 citations·filing 1982–2005
Top patents by PatentIndex Score
18 records- 0180US4433782AMagazine assembly for coil nailsSIGMA TOOL & MACHINE·Filed 1982·Granted Feb 28, 1984·38 cites·10 claims
- 0279US6305888B1T-nut with indented leading and trailing edge flangesSIGMA TOOL & MACHINE·Filed 2000·Granted Oct 23, 2001·29 cites·5 claims
- 0372US6183181B1Sealed end tee-nutSIGMA TOOL & MACHINE·Filed 1999·Granted Feb 6, 2001·40 cites·11 claims
- 0472US4508478ATee nut fastener memberSIGMA TOOL & MACHINE·Filed 1983·Granted Apr 2, 1985·33 cites·4 claims
- 0569US5618144ATee-nut with enlarged barrel endSIGMA TOOL & MACHINE·Filed 1995·Granted Apr 8, 1997·38 cites·4 claims
- 0667US5863164ATee-nut with radiussed barrel endSIGMA TOOL & MACHINE·Filed 1998·Granted Jan 26, 1999·37 cites·7 claims
- 0764US4711980ANail collator and welderSIGMA TOOL & MACHINE·Filed 1986·Granted Dec 8, 1987·21 cites·5 claims
- 0862US6317970B1Clip crimping toolSIGMA TOOL & MACHINE·Filed 2000·Granted Nov 20, 2001·12 cites·19 claims
- 0957US5560099ATee-nut setting and forming machineSIGMA TOOL & MACHINE·Filed 1994·Granted Oct 1, 1996·25 cites·12 claims
- 1052US5909993AChipped nail welded wire nailing strip and methodSIGMA TOOL & MACHINE·Filed 1997·Granted Jun 8, 1999·17 cites·6 claims
- 1152US5606794AVariable impact tee-nut insertion machineSIGMA TOOL & MACHINE·Filed 1995·Granted Mar 4, 1997·13 cites·20 claims
- 1250US6129493ATee-nut with globular shaped sleeveSIGMA TOOL & MACHINE·Filed 1999·Granted Oct 10, 2000·19 cites·8 claims
- 1350US5918738ATee-nut strip with edge membranesSIGMA TOOL & MACHINE·Filed 1998·Granted Jul 6, 1999·19 cites·21 claims
- 1450US5762190ATee-nut holder stripSIGMA TOOL & MACHINE·Filed 1997·Granted Jun 9, 1998·23 cites·8 claims
- 1550US5501558AAnti-friction Tee-nut with deflected edgesSIGMA TOOL & MACHINE·Filed 1994·Granted Mar 26, 1996·21 cites·1 claims
- 1643US4472956AApparatus for feeding elongated objectsSIGMA TOOL & MACHINE·Filed 1982·Granted Sep 25, 1984·8 cites·12 claims
- 1742US5722131AClip for furniture springs, and method of manufactureSIGMA TOOL & MACHINE·Filed 1995·Granted Mar 3, 1998·19 cites·11 claims
- 1842US2007114259A1Multi-blow pneumatic hand tool for inserting t-nutsSIGMA TOOL & MACHINE·Filed 2005·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →