David Rowlands
7Patents
6h-index
9Co-inventors
56Inventor score
Filing activity: Apr 26, 1989 → Mar 21, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4983240A | Method of making a flanged braided bearing | Textiles; Paper | 78 | Expired |
| US9717651B2 | Pill crushing cup with rotational locking lugs | Human Necessities | 16 | Active |
| USD694901S1 | Cup for pill crushing | General | 9 | Active |
| USD694900S1 | Cup for pill crushing | General | 7 | Active |
| US6223513A | Flyer bow with integral enclosed wire guide | Textiles; Paper | 7 | Expired |
| US5809763A | Flyer bow having an airfoil shape in cross section | Textiles; Paper | 7 | Expired |
| US6385955B1 | Adjustable height self-lubricating pulley system for use with a flyer bow | Textiles; Paper | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.