Robert B. Hahn
10Patents
7h-index
9Co-inventors
59Inventor score
Filing activity: Jan 13, 1989 → Dec 4, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5966768A | Adjustable tube-cleaner device | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US5213155A | Method and apparatus for multiple locking a single row of heat exchanger tubes | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4919199A | Multiple locking stake for tube bundle | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5228255A | Method and apparatus for improved belt type expansion joints | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5716158A | Expandable belt type expansion joint | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6401803B1 | Stake for tube bundle | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5961244A | Expansion-joint system and belt | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5276965A | Method for dismantling potentially contaminated tubes from a tube bundle | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5293682A | Apparatus for dismantling potentially contaminated tubes from a tube bundle | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9622378B2 | Recirculating cooling unit within a housing | Mechanical Engineering; Lighting; Heating | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.