Horst Hoffmann
16Patents
7h-index
27Co-inventors
66Inventor score
Filing activity: Dec 15, 1977 → May 28, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4782705A | Strain gauge | Physics | 29 | Expired |
| US5830597A | Method and equipment for producing a photochemical cell | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5071365A | Cable conductor clamping connector | Electricity | 14 | Expired |
| US4884453A | Strain gauge | Physics | 13 | Expired |
| US4132235A | Apparatus for treating printing plates | Physics | 11 | Expired |
| US4440823A | Printed board for electrical circuits | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4771143A | Diaphragm keyboard | Electricity | 8 | Expired |
| US4520228A | Multi-layer conductor plate and a method of making | Electricity | 7 | Expired |
| US6207289A | Thermoplastic compound for filling pores in wooden materials | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5163235A | Apparatus for washing out photopolymer printing plates by means of solvents, drying the printing plates and recovering the solvents | Performing Operations; Transporting | 3 | Expired |
| US5972158A | Bonding plastics with water-based polyurethane primer | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8349057B2 | Method for the backflushing of filters | Performing Operations; Transporting | 2 | Active |
| US4575589A | Switching contact arrangement, in particular for keyboards and a keyboard | Electricity | 2 | Expired |
| US7300996B2 | Reactive hot melt adhesive | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6793760B2 | Cleaning agent for PVC surfaces | Chemistry; Metallurgy | 1 | Expired |
| US4544407A | Process for producing cast iron castings with a vermicular graphite structure | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.