Protoned, B.V.
32Patents
0Active
32Granted
35Portfolio score
Filing activity: Jul 20, 1978 → Oct 12, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD407911S | Chair | General | 81 | Expired |
| US4200332A | Adjustable chair | Human Necessities | 74 | Expired |
| US4641885A | Work chair having a vertically adjustable chair support | Human Necessities | 72 | Expired |
| USD410799S | Chair | General | 70 | Expired |
| US4703974A | Seat furniture | Human Necessities | 69 | Expired |
| US5078055A | Working table | Human Necessities | 58 | Expired |
| US5144888A | Combined table comprising a plurality of individual table surfaces | Human Necessities | 48 | Expired |
| US4270797A | Ergonomic chair | Human Necessities | 41 | Expired |
| US4316632A | Ergonomic chair | Human Necessities | 40 | Expired |
| US5417473A | Chair mechanism providing for an inclination range and inclination stop means | Human Necessities | 30 | Expired |
| US4865402A | Showcase for the display of merchandise | Human Necessities | 22 | Expired |
| USD442378S | Chair | General | 21 | Expired |
| US4548328A | Clothes stand | Human Necessities | 20 | Expired |
| US5044856A | Fastening element secured against rotation for a structural part to be removably attached to a supporting arrangement | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| USD404586S | Chair | General | 15 | Expired |
| US4881708A | Shelf for displaying articles | Human Necessities | 14 | Expired |
| US4708309A | Supporting device having infinitely adjustable jibs | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4936471A | Carrying appartus for merchandise display elements | Human Necessities | 13 | Expired |
| US4615447A | Security garment display stand | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4645081A | Rotatable and vertically adjustable single-column presentation stand | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4813552A | Clothes display stand | Human Necessities | 11 | Expired |
| US4626029A | Work chair | Emerging Cross-Sectional Technologies | 10 | Expired |
| USD379271S | Foot rest | General | 10 | Expired |
| US4890749A | Decorative clothes stand | Human Necessities | 9 | Expired |
| US4624371A | Security clothes-stand | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.