Inventor · disambiguated record
Roger D. Zwicker
Also filed as: ZWICKER ROGER D
10 granted patents·1 pending application·259 citations·filing 1979–2003
91Inventor score
Files withVICTOR EQUIPMENT CO11
Top patents by PatentIndex Score
11 records- 0186US5392825APressure regulator with a flashback arrestorVICTOR EQUIPMENT CO·Filed 1993·Granted Feb 28, 1995·57 cites·7 claims
- 0285US5407348ATorch with integral flashback arrestors and check valvesVICTOR EQUIPMENT CO·Filed 1993·Granted Apr 18, 1995·55 cites·19 claims
- 0381US5390855APilot igniter torch with cutoff preheat valvesVICTOR EQUIPMENT CO·Filed 1993·Granted Feb 21, 1995·38 cites·17 claims
- 0480US4248384ACutting torch having integral head mixerVICTOR EQUIPMENT CO·Filed 1979·Granted Feb 3, 1981·32 cites·3 claims
- 0574US4409002AUtility torch having head mixerVICTOR EQUIPMENT CO·Filed 1982·Granted Oct 11, 1983·22 cites·6 claims
- 0671US5470227APilot igniter torch with cutoff preheat valvesVICTOR EQUIPMENT CO·Filed 1994·Granted Nov 28, 1995·28 cites·8 claims
- 0752US4679582AGas pressure reducing regulatorVICTOR EQUIPMENT CO·Filed 1986·Granted Jul 14, 1987·17 cites·7 claims
- 0844USD293546STorchVICTOR EQUIPMENT CO·Filed 1984·Granted Jan 5, 1988·3 cites·1 claims
- 0940US2004166454A1Portable gas torchVICTOR EQUIPMENT CO·Filed 2003·Application pending·0 cites
- 1038US4606528AMotorized hand torch with improved brake mechanismVICTOR EQUIPMENT CO·Filed 1985·Granted Aug 19, 1986·6 cites·13 claims
- 1134USD306059SGas regulatorVICTOR EQUIPMENT CO·Filed 1986·Granted Feb 13, 1990·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →