Gerd Wunsch
23Patents
9h-index
51Co-inventors
74Inventor score
Filing activity: Jul 1, 1974 → May 4, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4096318A | Rechargeable accumulator having a manganese dioxide electrode and an acid electrolyte | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4050962A | Manufacture of ferromagnetic, acicular metallic iron particles by hydrogen reduction | Chemistry; Metallurgy | 20 | Expired |
| US3993807A | Activation of substrates for electroless metallization with zero valent palladium complex | Chemistry; Metallurgy | 19 | Expired |
| US4017303A | Manufacture of acicular ferromagnetic metal pigments containing iron | Chemistry; Metallurgy | 19 | Expired |
| US4079174A | Accumulator equipped with cathodes of manganese dioxide or lead dioxide | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4071610A | Manufacture of gamma-iron(III) oxide | Chemistry; Metallurgy | 10 | Expired |
| US3959032A | Magnetic materials with exchange anisotropy and process for their manufacture | Electricity | 9 | Expired |
| US4018967A | Magnetic recording tape | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4411761A | Spinel-containing electrode and process for its production | Chemistry; Metallurgy | 9 | Expired |
| US3961990A | Manufacture of magnetic materials which exhibit exchange anisotropy | Electricity | 8 | Expired |
| US4153742A | Manufacture of electrodes | Chemistry; Metallurgy | 6 | Expired |
| US4272563A | Manufacture of magnetic recording media having a wear-resistant surface | Physics | 6 | Expired |
| US4060476A | Anode for electrochemical processes | Chemistry; Metallurgy | 6 | Expired |
| US4073977A | Stabilization of pyrophoric metal powders with alkylene oxide polymers | Performing Operations; Transporting | 5 | Expired |
| US3957927A | Manufacture of phosphorus nitride esters | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4139351A | Separation of finely divided metal oxides, produced by combustion of metal carbonyls, from a stream of gas | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4128672A | Process of making a magnetic recording medium | Electricity | 3 | Expired |
| US4018882A | Manufacture of gamma-iron (III) oxide | Chemistry; Metallurgy | 3 | Expired |
| US4017593A | Manufacture of sodium dithionite | Chemistry; Metallurgy | 2 | Expired |
| US4219400A | Electrolysis cell | Chemistry; Metallurgy | 2 | Expired |
| US4237318A | Manufacture of aqueous methanolic solution of sodium formate | Chemistry; Metallurgy | 1 | Expired |
| US5326927A | Recovery of a useful polymerizable fraction | Chemistry; Metallurgy | 0 | Expired |
| US4013740A | Substituted fluorophosphazenes | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.