Inventor · disambiguated record
Harold D. Welch
Also filed as: WELCH HAROLD · WELCH HAROLD D
10 granted patents·126 citations·filing 1987–1998
90Inventor score
Top patents by PatentIndex Score
10 records- 0182US4809573AAdaptive torque control of cutoff knife pull rollMARQUIP INC·Filed 1987·Granted Mar 7, 1989·37 cites·14 claims
- 0261US5857605AVacuum assisted web drive for corrugator double backerMARQUIP INC·Filed 1997·Granted Jan 12, 1999·23 cites·7 claims
- 0354US5472540AMethod and apparatus for making pallet supports and pallets incorporating said supportsMARQUIP INC·Filed 1994·Granted Dec 5, 1995·13 cites·17 claims
- 0453US5706994AVacuum assisted web drive for corrugator double backerMARQUIP INC·Filed 1996·Granted Jan 13, 1998·21 cites·10 claims
- 0551US5746010AWeb holddown and drive for corrugator double backerMARQUIP INC·Filed 1996·Granted May 5, 1998·11 cites·10 claims
- 0645US6145211AContacting thickness gauge for moving sheet materialIMPACT SYSTEMS INC·Filed 1998·Granted Nov 14, 2000·7 cites·15 claims
- 0738US5853527AStationary holddown mat for corrugator double backerMARQUIP INC·Filed 1997·Granted Dec 29, 1998·3 cites·15 claims
- 0837USRE36687EMethod and apparatus for making pallet supports and pallets incorporating said supportsMARQUIP INC·Filed 1997·Granted May 9, 2000·5 cites·18 claims
- 0930US5873974AComposite web materialMARQUIP INC·Filed 1996·Granted Feb 23, 1999·1 cites·7 claims
- 1028US6350333B1Laminator for corrugated paperboard sheetsMARQUIP LLC·Filed 1995·Granted Feb 26, 2002·5 cites·12 claims
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