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USPTO Patent Rankings Data through Dec 31, 2025
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Leif Palmaer — 9 Patents

UNUnknown: 4 patents #4,220 of 83,584Top 6%
OAOptrel Holding Ag: 1 patents #11 of 38Top 30%
Hagfors, SE: #46 of 648 inventorsTop 8%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Leif Palmaer has been granted 9 US patents while listed as an inventor at Unknown. The first was granted in 1985 and the most recent in July 1996. Leif Palmaer ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Leif Palmaer in Hagfors, SE.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
D372343 Helmet visor 1996-07-30
D360708 Helmet visor 1995-07-25
D316164 Holder for face visor, hearing protector and similar equipment Rupert Furthbauer 1991-04-09
D306783 Visor 1990-03-20
4831665 Protective face visor of a filament mesh 1989-05-23
4830138 Pressure ring for ear cover Tore G. Palmaer 1989-05-16
4639950 Method of and means for holding a securing member in an existing attachment slit 1987-02-03
4556121 Holder Tore G. Palmaer, Bjorn Jacobsson 1985-12-03
4547908 Cap arrangement Peter Karlsson 1985-10-22