Patent assignee · NL · COMPANY

Protoned, B.V.

32Patents
0Active
32Granted
35Portfolio score

Filing activity: Jul 20, 1978 → Oct 12, 1999

Most-cited patents

PatentTitleAreaCited byStatus
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.