Inventor · disambiguated record
Per Udden
Also filed as: UDDEN PER · UDDEN PER J · UDDEN PER JOHAN
7 granted patents·409 citations·filing 1974–1994
88Inventor score
Top patents by PatentIndex Score
7 records- 0190US3952822AElectrically powered wheel-chair for indoor and outdoor useSTIFTELSEN TEKNISK HJALP AT HA·Filed 1974·Granted Apr 27, 1976·214 cites·7 claims
- 0288US3953054AHand operated wheel-chairPERMOBILSTIFTELSEN·Filed 1974·Granted Apr 27, 1976·112 cites·7 claims
- 0349US5180907AMethod and apparatus for the measurement of rapid light variation superimposed on a slowly changing background light intensityUDDEN PER·Filed 1988·Granted Jan 19, 1993·39 cites·21 claims
- 0447US5606958AIgnition system for an internal-combustion engine, particularly for use in a chain saw or the likeFHP ELMOTOR AKTIEBOLAG·Filed 1994·Granted Mar 4, 1997·10 cites·5 claims
- 0537US4735498AEye movement measuring apparatusUDDEN PER·Filed 1985·Granted Apr 5, 1988·19 cites·4 claims
- 0634US4958925AEye movement measurement device with multiple light emitting and detecting elementsUDDEN PER·Filed 1988·Granted Sep 25, 1990·14 cites·8 claims
- 0724US5645037AIgnition system for an internal combustion engine, particularly for use in a chain saw or the likeFHP ELMOTOR AKTIEBOLAG·Filed 1994·Granted Jul 8, 1997·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →