David Wade Campbell
14Patents
6h-index
11Co-inventors
63Inventor score
Filing activity: Feb 18, 1986 → Jul 8, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7289853B1 | High frequency wireless pacemaker | Human Necessities | 240 | Expired |
| US5206979A | Roller for specialty paint finishes | Performing Operations; Transporting | 27 | Expired |
| US6119573A | Carbon fiber flocking for thermal management of compact missile electronics | Performing Operations; Transporting | 27 | Expired |
| US5391656A | Recovery of unreacted monomers in an olefin polymerization process | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6026898A | Integral tubing head and rotator | Fixed Constructions | 22 | Expired |
| US6095241A | Coupling device for a drive assembly | Fixed Constructions | 9 | Expired |
| USD348462S | Pager | General | 5 | Expired |
| US4676810A | Revolving separator | Performing Operations; Transporting | 4 | Expired |
| US4693826A | Overflow for slurry tank | Performing Operations; Transporting | 1 | Expired |
| US11697606B2 | Systems of gas infusion for wastewater treatment | Emerging Cross-Sectional Technologies | 0 | Active |
| US11643344B2 | Methods of gas infusion for wastewater treatment | Emerging Cross-Sectional Technologies | 0 | Active |
| US11795081B2 | Systems of gas infusion for wastewater treatment | Emerging Cross-Sectional Technologies | 0 | Active |
| US12006239B2 | Oxygen infusion module for wastewater treatment | Emerging Cross-Sectional Technologies | 0 | Active |
| US11634346B2 | Systems of gas infusion for wastewater treatment | General | 0 | Revoked |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.