Robert E. Rockwood
32Patents
14h-index
7Co-inventors
74Inventor score
Filing activity: Aug 13, 1982 → Jun 28, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5499902A | Environmentally safe pump including seal | Electricity | 91 | Expired |
| US4439096A | Impeller adjuster for centrifugal pump | Mechanical Engineering; Lighting; Heating | 46 | Expired |
| US5340273A | Sealing and pumping means and methods environmentally leak-proof pump with misting chamber defined therein | Electricity | 36 | Expired |
| US4625977A | Convertible, stand-by rotary seal assembly | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4572517A | Labyrinth ring seals with housing mounting means | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US5647735A | Centrifugal pump having oil misting system with pivoting blades | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5261676A | Sealing arrangement with pressure responsive diaphragm means | Electricity | 22 | Expired |
| US5553867A | Triple cartridge seal having one inboard and two concentric seals for chemical processing pump | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4863177A | Split labyrinth seal | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5727792A | Triple cartridge seal having one inboard and two concentric seals for chemical processing pump | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5499901A | Bearing frame clearance seal construction for a pump | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5513964A | Pump oil mister with reduced windage | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5591020A | Pump oil mister | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6367807B1 | Labyrinth seal assembly | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6551055B2 | Centrifugal pump having oil misting system with pivoting blades | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5484267A | Cooling device for a pump and corresponding barrier tank | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5772396A | Pump having flush system for seal arrangement | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4547771A | Vibration sensor | Physics | 11 | Expired |
| US5411366A | Motor driven environmentally safe pump | Electricity | 10 | Expired |
| US5823539A | Environmentally safe pump having a bellows seal and a split ring shaft seal | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5823744A | Centrifugal pump with means for preventing impeller from unscrewing off of shaft | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4501530A | Centrifugal pump | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5035436A | Housing seal chamber body | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4406465A | Centrifugal pump | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5642888A | Temperature and pressure resistant rotating seal construction for a pump | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.