Inventor · disambiguated record
Jan J. G. Markus
Also filed as: MARKUS JAN J · MARKUS JAN J G · MARKUS JAN JACOB GERARD
5 granted patents·146 citations·filing 1977–1985
82Inventor score
Top patents by PatentIndex Score
5 records- 0188US4404770ASliding door construction for closing an opening in a wallMARKUS HERMETISCHE DEUREN·Filed 1981·Granted Sep 20, 1983·74 cites·10 claims
- 0278US4452014ADevice for operating a sliding doorMARKUS HERMETISCHE DEUREN·Filed 1982·Granted Jun 5, 1984·43 cites·7 claims
- 0377USD271812SCombination sliding door and rail coverMARKUS HERMETISCHE DEUREN·Filed 1981·Granted Dec 13, 1983·17 cites·1 claims
- 0435US4641462ADevice for opening and closing a sliding-doorMARKUS JAN J G·Filed 1985·Granted Feb 10, 1987·9 cites·11 claims
- 0528US4185418ASliding door, meant especially to be used in fire protection or insulationMARKUS HERMETISCHE DEUREN·Filed 1977·Granted Jan 29, 1980·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →