Hartwig Voss
42Patents
8h-index
116Co-inventors
78Inventor score
Filing activity: Mar 4, 1986 → Jul 30, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6730808B2 | Oxidative reactions using membranes that selectively conduct oxygen | Emerging Cross-Sectional Technologies | 62 | Expired |
| US5954316A | Rolling-lobe air spring | Performing Operations; Transporting | 34 | Expired |
| US6310261A | Method for the production of aldehydes | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4818409A | Obtaining aqueous solutions of organic acids or bases from aqueous solutions of their salts | Chemistry; Metallurgy | 13 | Expired |
| US4883573A | Removal of acid from cathodic electrocoating baths by electrodialysis | Chemistry; Metallurgy | 12 | Expired |
| US5354945A | Preparation of ultrapure N-vinylpyrrolidone polymers | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6887612B2 | Fuel cell | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4990230A | Membrane stack unit for multichamber processes | Performing Operations; Transporting | 8 | Expired |
| US5114554A | Removal of acid from cathodic electrocoating baths by electrodialysis | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5282939A | Removal of salts by electrodialysis | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4775478A | Process for removing acid from cathodic electrocoating baths | Chemistry; Metallurgy | 6 | Expired |
| US7091383B2 | Method for the production of amines | Chemistry; Metallurgy | 6 | Expired |
| US6706190B1 | Method for fractionation of water soluble or dispersible polymers containing amino groups with a broad molar mass distribution | Textiles; Paper | 5 | Expired |
| US7595424B2 | Method for producing aromatic amines or aliphatic amino alcohols | Performing Operations; Transporting | 5 | Expired |
| US4971672A | Removal of acid from cathodic electrocoating baths by electrodialysis | Chemistry; Metallurgy | 5 | Expired |
| US5000832A | Purification of aqueous glyoxal solutions | Chemistry; Metallurgy | 4 | Expired |
| US5202445A | Preparation of potassium magnesium L-ascorbate 2-phosphate | Chemistry; Metallurgy | 4 | Expired |
| US5597466A | Preparation of substantially salt-free aqueous solutions of bisaminoxyalkanes | Chemistry; Metallurgy | 4 | Expired |
| US8196755B2 | Process for producing a composite membrane | Performing Operations; Transporting | 4 | Active |
| US4718649A | Rolling bellows for pneumatic cushioning of a vehicle | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7459072B2 | Method for processing naphtha | Chemistry; Metallurgy | 3 | Expired |
| US5221443A | Liberation of organic sulfonic acids | Performing Operations; Transporting | 3 | Expired |
| US5507922A | Preparation of benzaldehyde dialkyl acetals | Chemistry; Metallurgy | 3 | Expired |
| US6967181B2 | Production of a zeolite-containing solid | Performing Operations; Transporting | 3 | Expired |
| US7012162B2 | Phosphacyclohexanes and the use thereof in the hydroformylation of olefins | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.