Inventor · disambiguated record
Herbert W. Helm
Also filed as: HELM HERBERT · HELM HERBERT W
17 granted patents·303 citations·filing 1973–1997
94Inventor score
Top patents by PatentIndex Score
17 records- 0195US3957570AMachinery for patching envelopes and the likeSMITHE MACHINE CO INC F L·Filed 1973·Granted May 18, 1976·76 cites·5 claims
- 0291US3966186AMethod and apparatus for feeding inserts selectivelySMITHE MACHINE CO INC F L·Filed 1975·Granted Jun 29, 1976·40 cites·10 claims
- 0382US4642085AApparatus for making window patchesSMITHE MACHINE CO INC F L·Filed 1985·Granted Feb 10, 1987·43 cites·18 claims
- 0472US3977283ARotary panel cutter for cutting openings in a webSMITHE MACHINE CO INC F L·Filed 1975·Granted Aug 31, 1976·20 cites·8 claims
- 0567US4733718AHeat exchanger bodies made of plasticROEHM GMBH·Filed 1985·Granted Mar 29, 1988·26 cites·6 claims
- 0667US4173922AMethod for making side seam envelopes from a webSMITHE MACHINE CO INC F L·Filed 1978·Granted Nov 13, 1979·16 cites·4 claims
- 0762US5088407ARotary printer for an envelope machineSMITHE MACHINE CO INC F L·Filed 1990·Granted Feb 18, 1992·18 cites·7 claims
- 0857US3998116AApparatus for removing cut panels from sheet materialSMITHE MACHINE CO INC F L·Filed 1975·Granted Dec 21, 1976·11 cites·8 claims
- 0954US4138933AApparatus for gumming and folding open end envelopesSMITHE MACHINE CO INC F L·Filed 1977·Granted Feb 13, 1979·10 cites·3 claims
- 1051US4003183AMethod of enclosing insert material in a continuously advancing envelope blankSMITHE MACHINE CO INC F L·Filed 1974·Granted Jan 18, 1977·10 cites·9 claims
- 1150US3939723ADrive for rotatable cutter mechanismsSMITHE MACHINE CO INC F L·Filed 1974·Granted Feb 24, 1976·9 cites·3 claims
- 1245US4136591AApparatus for changing the length of envelope blanks cut from a continuous webSMITHE MACHINE CO INC F L·Filed 1977·Granted Jan 30, 1979·13 cites·9 claims
- 1336US4016789ADrive for rotatable cutter mechanismsSMITHE MACHINE CO INC F L·Filed 1975·Granted Apr 12, 1977·4 cites·7 claims
- 1430US5019030AEnvelope blank forming machineSMITHE MACHINE CO INC F L·Filed 1990·Granted May 28, 1991·2 cites·2 claims
- 1529US5100371AEnvelope blank forming machineSMITHE MACHINE CO INC F L·Filed 1991·Granted Mar 31, 1992·1 cites·17 claims
- 1626US6155554AMultiple action shovel feed mechanism for stacked sheetsSMITHE MACHINE CO INC F L·Filed 1997·Granted Dec 5, 2000·2 cites·20 claims
- 1722US4170094AClosure for double-walled webbed structuresROEHM GMBH·Filed 1978·Granted Oct 9, 1979·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →