Ronald Marsh
31Patents
13h-index
31Co-inventors
81Inventor score
Filing activity: Oct 7, 1974 → Sep 25, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6245044A | Variable extension combined spinal/epidural needle set and method for its use | Human Necessities | 113 | Expired |
| US8133202B2 | Disposable needle and hub assembly | Human Necessities | 38 | Active |
| US7645264B2 | Injection device with secondary reservoir | Human Necessities | 37 | Active |
| USD747459S1 | Infusion set assembly | General | 25 | Active |
| US7022129B2 | Threaded cable anchor | Emerging Cross-Sectional Technologies | 24 | Expired |
| USD747458S1 | Infusion set insertion needle assembly | General | 23 | Active |
| USD747457S1 | Infusion set needle guard | General | 22 | Active |
| US4068601A | Folding table construction | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7981081B2 | Injection device with secondary reservoir | Human Necessities | 19 | Active |
| USD754843S1 | Infusion set assembly | General | 17 | Active |
| USD754842S1 | Infusion set needle guard | General | 16 | Active |
| USD747456S1 | Infusion set assembly | General | 16 | Active |
| US10758721B2 | Infusion device with releasable fluid connector | Human Necessities | 16 | Active |
| US4372604A | Stowable armrest table assembly | Performing Operations; Transporting | 12 | Expired |
| US4015866A | Operating mechanism for double sliding doors | Emerging Cross-Sectional Technologies | 10 | Expired |
| US9795777B2 | Infusion device with releasable fluid connector | Human Necessities | 9 | Active |
| US4047488A | Table arrangement for railway passenger car compartments | Performing Operations; Transporting | 8 | Expired |
| US5937498A | Method for removal of connection for parking brake cables | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7507247B2 | Urethral catheter stent delivery system | Human Necessities | 6 | Active |
| US6929651B2 | Urethral catheter stent delivery system | Human Necessities | 5 | Expired |
| US3933384A | Anti-pilferage locking device | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4717402A | Air purification system | Performing Operations; Transporting | 4 | Expired |
| US4046081A | Headrest ladder | Performing Operations; Transporting | 4 | Expired |
| US4179996A | Fixture for passenger railway car compartment | Performing Operations; Transporting | 3 | Expired |
| US4161914A | Railway sleeping car compartmental arrangement | Human Necessities | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.