Inventor · disambiguated record
David P. Holzapfel
Also filed as: HOLZAPFEL DAVID P
2 granted patents·1 pending application·4 citations·filing 2014–2019
46Inventor score
Top patents by PatentIndex Score
3 records- 0179US10982853B2W501D5/D5A DF42 combustion systemSIEMENS ENERGY INC·Filed 2019·Granted Apr 20, 2021·3 cites·5 claims
- 0254US10533750B2Cross ignition flame ductSIEMENS AG·Filed 2014·Granted Jan 14, 2020·1 cites·16 claims
- 0348US2016348911A1W501 d5/d5a df42 combustion systemSIEMENS ENERGY INC·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →