Inventor · disambiguated record
Frederick Schweighardt
Also filed as: SCHWEIGHARDT FREDERICK · SCHWEIGHARDT FREDERICK A
1 granted patent·2 pending applications·0 citations·filing 2009–2022
6Inventor score
Top patents by PatentIndex Score
3 records- 0152US12257656B2Method for pipe purgingAIRGAS INC·Filed 2022·Granted Mar 25, 2025·0 cites·9 claims
- 0233US2010219172A1Process For Reducing The Loss Of Backing Gas When Welding PipeAIR LIQUIDE IND US LP·Filed 2009·Application pending·0 cites
- 0329US2017191621A1Liquid cryogen vaporizer method and systemAIR LIQUIDE IND US LP·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →