David W. Roecker
26Patents
17h-index
28Co-inventors
81Inventor score
Filing activity: Feb 4, 1980 → Sep 3, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6228635A | Portable cell growth cassette for use in maintaining and growing biological cells | Chemistry; Metallurgy | 215 | Expired |
| US6282082A | Case for a modular tablet computer system | Physics | 187 | Expired |
| US6096532A | Processor apparatus for use in a system for maintaining and growing biological cells | Chemistry; Metallurgy | 185 | Expired |
| US5985653A | Incubator apparatus for use in a system for maintaining and growing biological cells | Chemistry; Metallurgy | 172 | Expired |
| US6238908A | Apparatus and method for maintaining and growth biological cells | Chemistry; Metallurgy | 139 | Expired |
| US4783137A | Fiber optic coupling system | Physics | 107 | Expired |
| US5994129A | Portable cassette for use in maintaining and growing biological cells | Chemistry; Metallurgy | 101 | Expired |
| US6048721A | Bioreactor for mammalian cell growth and maintenance | Chemistry; Metallurgy | 96 | Expired |
| US5177826A | Rotary toothbrush | Human Necessities | 86 | Expired |
| US6157958A | Modular tablet computer system | Physics | 53 | Expired |
| US5640301A | System for adapting a personal computer for radio communication | Electricity | 46 | Expired |
| USD808219S1 | Water bottle | General | 37 | Active |
| USD273791S | Fuel dispenser | General | 27 | Expired |
| USD287498S | Fuel dispenser | General | 27 | Expired |
| US6639751B2 | Data cartridge library | Physics | 22 | Expired |
| USD795647S1 | Sports bottle | General | 19 | Active |
| USD266673S | Fuel dispenser | General | 18 | Expired |
| USD272628S | Fuel dispenser | General | 16 | Expired |
| USD272627S | Fuel dispenser | General | 12 | Expired |
| USD273790S | Fuel dispenser | General | 10 | Expired |
| USD272629S | Fuel dispenser | General | 9 | Expired |
| US10322855B2 | Sports bottle cap | Performing Operations; Transporting | 4 | Active |
| US10589152B2 | Apparatus for collecting and storing tennis balls | Human Necessities | 2 | Active |
| USD272631S | Fuel dispenser | General | 2 | Expired |
| US11172772B2 | Straw cap with an open and closed valve mechanism | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.