Manfred Walter
55Patents
13h-index
87Co-inventors
87Inventor score
Filing activity: Oct 2, 1975 → Sep 11, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6174929A | Water-absorbent cross-linked polymers in foam form | Chemistry; Metallurgy | 67 | Expired |
| US6136873A | Water-absorbing, expanded, crosslinked polymers, the production and use thereof | Human Necessities | 60 | Expired |
| US6245410A | Absorber element of superabsorbent foams having anisotropic swelling behavior | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4780498A | Molding materials of polyoxymethylene homopolymers and/or copolymers and thermoplastic polyurethane elastomers having improved heat stability, their preparation and their use | Chemistry; Metallurgy | 38 | Expired |
| US5110835A | Antistatic expandable styrene polymers in bead form | Chemistry; Metallurgy | 33 | Expired |
| US4431794A | Continuous preparation of oxymethylene polymers | Chemistry; Metallurgy | 28 | Expired |
| US4282334A | Manufacture of high impact and translucent styrene polymers | Chemistry; Metallurgy | 23 | Expired |
| US5031325A | Hand-held tool with a cutting or grinding disk | Performing Operations; Transporting | 19 | Expired |
| US4218511A | Self-extinguishing, expandable styrene polymers | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5290819A | Preparation of bead-form expandable styrene polymers | Chemistry; Metallurgy | 15 | Expired |
| US4369227A | Particulate styrene polymers containing blowing agent | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4086191A | Particulate expandable styrene polymers for the manufacture of foams | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4386178A | Polyacetals having an improved maximum sustained-use temperature | Chemistry; Metallurgy | 13 | Expired |
| US4837400A | Polyoxymethylene molding materials having improved thermal stability, their preparation and their use | Chemistry; Metallurgy | 12 | Expired |
| US6488990B1 | Process for providing coatings on a metallic surface | Chemistry; Metallurgy | 12 | Expired |
| US8182874B2 | Method for coating metallic surfaces with an aqueous composition | Emerging Cross-Sectional Technologies | 11 | Active |
| US7929132B2 | Transmission microscopy using light emitted from nanoparticles | Emerging Cross-Sectional Technologies | 8 | Active |
| US4174212A | Method for the refining of steel | Chemistry; Metallurgy | 7 | Expired |
| US4927859A | Expandable polymers in particle form | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5266602A | Expandable styrene polymers | Chemistry; Metallurgy | 7 | Expired |
| US8101232B2 | Process for producing a repair coating on a coated metallic surface | Emerging Cross-Sectional Technologies | 7 | Active |
| US9236862B2 | Capacitive touch panel device | Physics | 5 | Active |
| US4401296A | Electro-metal smelting furnace with taphole arranged at the bottom | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US8101014B2 | Process for coating metallic surfaces with a multicomponent aqueous composition | Emerging Cross-Sectional Technologies | 4 | Active |
| US5634700A | Slip-controlled brake system for commercial vehicles | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.