Assignee
VBM CORP
US·15 granted patents·858 citations·filing 1977–1991
Top patents by PatentIndex Score
15 records- 0194US4673415AOxygen production system with two stage oxygen pressurizationVBM CORP·Filed 1986·Granted Jun 16, 1987·128 cites·15 claims
- 0293US4869733ASuper-enriched oxygen generatorVBM CORP·Filed 1988·Granted Sep 26, 1989·101 cites·14 claims
- 0392US5050844ALift assemblyVBM CORP·Filed 1989·Granted Sep 24, 1991·65 cites·35 claims
- 0489US4552571AOxygen generator with two compressor stagesVBM CORP·Filed 1984·Granted Nov 12, 1985·71 cites·20 claims
- 0586US4584001AModular oxygen generatorVBM CORP·Filed 1985·Granted Apr 22, 1986·73 cites·11 claims
- 0685US5002591AHigh efficiency PSA gas concentratorVBM CORP·Filed 1990·Granted Mar 26, 1991·71 cites·5 claims
- 0784US4636226AHigh pressure oxygen production systemVBM CORP·Filed 1985·Granted Jan 13, 1987·104 cites·18 claims
- 0880US5154737ASystem for eliminating air leakage and high purity oxygen of a PSA oxygen concentratorVBM CORP·Filed 1991·Granted Oct 13, 1992·55 cites·17 claims
- 0974US4997465AAnti-fluidization system for molecular sieve bedsVBM CORP·Filed 1989·Granted Mar 5, 1991·37 cites·21 claims
- 1073US5137549ATwo stage super-enriched oxygen concentratorVBM CORP·Filed 1991·Granted Aug 11, 1992·41 cites·15 claims
- 1166US4152789AShower stall enclosureVBM CORP·Filed 1977·Granted May 8, 1979·34 cites·14 claims
- 1264US5040637ALift assemblyVBM CORP·Filed 1990·Granted Aug 20, 1991·21 cites·23 claims
- 1364US4241901AVehicle lift assembly and control system thereforVBM CORP·Filed 1977·Granted Dec 30, 1980·23 cites·18 claims
- 1455US4892028AFluid operated circuit for controlling a dual post hydraulic lift assemblyVBM CORP·Filed 1984·Granted Jan 9, 1990·21 cites·11 claims
- 1539US4505455ASynchronized double post fluid operated lift assemblyVBM CORP·Filed 1982·Granted Mar 19, 1985·13 cites·18 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →