Helmut Schmid
24Patents
10h-index
49Co-inventors
75Inventor score
Filing activity: Nov 25, 1975 → Nov 19, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5846659A | UV-protected, multilayer polycarbonate sheets | Emerging Cross-Sectional Technologies | 87 | Expired |
| US4456647A | Plastics mouldings finished with a three-layer coating and a process for producing the finish | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5589661A | Solid propellant based on phase-stabilized ammonium nitrate | Chemistry; Metallurgy | 25 | Expired |
| US5542999A | Gas-generating mixture | Chemistry; Metallurgy | 21 | Expired |
| US5596168A | Solid propellant based on phase-stabilized ammonium nitrate | Chemistry; Metallurgy | 21 | Expired |
| US6591753B1 | Propellant device for pipe weapons or ballistic projection | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4391522A | Test apparatus for determining resistance to light and weather influences | Physics | 18 | Expired |
| US5663524A | Gas generating mixture containing copper diammine dinitrate | Chemistry; Metallurgy | 17 | Expired |
| US5542998A | Gas-generating mixture | Chemistry; Metallurgy | 16 | Expired |
| US5677510A | Gas generating mixture | Chemistry; Metallurgy | 12 | Expired |
| US6567007B1 | Identifiable electric component, method of identification and evaluation device | Physics | 10 | Expired |
| US4073769A | Esters of phosphorous acid | Chemistry; Metallurgy | 9 | Expired |
| US4777215A | Thermoplastic mixtures of aromatic polycarbonates and polystyrenes and their use as substrates for optical data memories | Chemistry; Metallurgy | 6 | Expired |
| US4908216A | Apparatus for the production of low tension moulded parts | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4323501A | Esters of phosphorous acid | Chemistry; Metallurgy | 4 | Expired |
| US4848308A | Stoneworking or cutting device | Performing Operations; Transporting | 2 | Expired |
| US5264692A | Circuit arrangement for the operation of a light source for the optical scanning of recording media | Physics | 2 | Expired |
| US4780255A | Synthetic resin parts with quasi dielectric isotropic structure | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4961179A | Curable reaction compositions for producing data carriers | Physics | 2 | Expired |
| US4510831A | Device for cutting sheet metal and the like | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7736423B2 | Aqueous composition for outdoor paints, indoor paints, facade paints and roof paints | Chemistry; Metallurgy | 1 | Expired |
| US9657253B2 | Tricresyl phosphate-free oil, lubricant or turbine oil | Chemistry; Metallurgy | 0 | Active |
| US10079483B2 | Assembly for electrically protecting a potential short-circuit or an overload in a direct current power network having a system-determined, variable source-internal resistance | Performing Operations; Transporting | 0 | Active |
| US9943696B2 | Process for supplying an electrical energy converting implant with electrical energy | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.