Helmut Haas
16Patents
3h-index
28Co-inventors
60Inventor score
Filing activity: Dec 12, 1973 → Mar 29, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7898794B2 | Tantalum powder for the production of solid electrolyte capacitors | Chemistry; Metallurgy | 10 | Active |
| US4164328A | Vibratory ball or tube mill | Performing Operations; Transporting | 5 | Expired |
| US4102589A | Method of and means for safely releasably tensioning structural parts such as clamping members | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4148440A | Apparatus for the release of the jacket material of rod-shaped carriers and recovery of the same, particularly of waste welding rods | Performing Operations; Transporting | 3 | Expired |
| US7824463B2 | Method for the production of niobium and tantalum powder | Performing Operations; Transporting | 2 | Active |
| US3949942A | Vibrating ball mill with heat insulated grinding chamber | Performing Operations; Transporting | 2 | Expired |
| US3971515A | Ball mill with energizing body on the wearing plate | Performing Operations; Transporting | 2 | Expired |
| US10032564B2 | Method for the production of valve metal powders | Performing Operations; Transporting | 1 | Active |
| US4530852A | Method for producing a thin film resistor | Electricity | 1 | Expired |
| US7601812B2 | Immunomodulating agents from parasitic worms and method for isolation thereof | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8801829B2 | Method for production of niobium and tantalum powder | Performing Operations; Transporting | 0 | Active |
| US9378894B2 | Method for producing electrolytic capacitors from valve metal powders | Emerging Cross-Sectional Technologies | 0 | Active |
| US11759846B2 | Method for producing a polygonal shaft | Performing Operations; Transporting | 0 | Active |
| US10872732B2 | Method for producing electronic components by means of 3D printing | Emerging Cross-Sectional Technologies | 0 | Active |
| US8999500B2 | Semifinished products with a structured sinter-active surface and a process for their production | Emerging Cross-Sectional Technologies | 0 | Active |
| US10023953B2 | High purity refractory metal powders and their use in sputtering targets which may have random texture | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.