Inventor · disambiguated record
Birger Wollboldt
Also filed as: WOLLBOLDT BIRGER
1 granted patent·1 pending application·63 citations·filing 1995–2016
50Inventor score
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2 records- 0189US5782216AEngageable tappet for a valve drive of an internal combustion engineSCHAEFFLER WAELZLAGER KG·Filed 1995·Granted Jul 21, 1998·63 cites·44 claims
- 0231US2018163784A1Needle bearing unit for mounting a valve shaft or actuator shaft and gas control valve arrangementSCHAEFFLER TECHNOLOGIES AG·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →