David A. Winchell
50Patents
25h-index
27Co-inventors
88Inventor score
Filing activity: Oct 20, 1975 → Jun 7, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5538009A | Biopsy needle assembly | Human Necessities | 128 | Expired |
| US5061243A | System and apparatus for the patient-controlled delivery of a beneficial agent, and set therefor | Human Necessities | 113 | Expired |
| US5011477A | Continuous/bolus infusor | Emerging Cross-Sectional Technologies | 108 | Expired |
| US4474016A | Sterile cooling system | Emerging Cross-Sectional Technologies | 87 | Expired |
| US4234103A | Diagnostic reagent dispensing bottle | Performing Operations; Transporting | 72 | Expired |
| US5533412A | Pulsed thermal flow sensor system | Physics | 69 | Expired |
| USD258346S | Bottle | General | 60 | Expired |
| US4741733A | Infusor having a distal flow regulator | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4539172A | Method of blowmolding a container having an integral inner dispensing outlet | Performing Operations; Transporting | 45 | Expired |
| US5014750A | Systems having fixed and variable flow rate control mechanisms | Human Necessities | 44 | Expired |
| US4176755A | Resealable pour bottle with severing ring | Performing Operations; Transporting | 43 | Expired |
| US4068696A | Supplemental additive indication cap for containers and the like having auxiliary sleeve | Emerging Cross-Sectional Technologies | 38 | Expired |
| USD258720S | Bottle | General | 38 | Expired |
| US4904239A | Infusor having a distal flow regulator | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4005739A | Supplemental medication indication cap for solution containers and the like | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4049034A | Attaching means and method for attaching flexible tubing to a plastic container | Emerging Cross-Sectional Technologies | 31 | Expired |
| USD261985S | Bottle | General | 31 | Expired |
| US4236646A | Closure for pharmaceutical containers | Performing Operations; Transporting | 30 | Expired |
| US4419323A | Method for manufacturing a plastic container with non-coring penetrable wall portion | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4232721A | Collapsible solution container having rectangular shoulder | Performing Operations; Transporting | 28 | Expired |
| US4434904A | Bottle closure | Performing Operations; Transporting | 28 | Expired |
| US4794750A | Method for making containers having ports | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4191231A | Flexible collapsible containers, and method of molding | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4181232A | Sealed closure for plastic container with interlocking protective outer closure | Performing Operations; Transporting | 26 | Expired |
| US4091949A | Antibackoff threaded ring closure using ratchet means | Performing Operations; Transporting | 25 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.