Inventor · disambiguated record
John T. Ehling
Also filed as: EHLING JOHN T
3 granted patents·2 citations·filing 2020–2024
52Inventor score
Technology areasB21D
Files withHVAC INVENTORS/SYSTEMATION INC3
Top patents by PatentIndex Score
3 records- 0186US11213878B2Apparatus and method for forming duct flanges and duct workHVAC INVENTORS/SYSTEMATION INC·Filed 2020·Granted Jan 4, 2022·2 cites·14 claims
- 0274US11697147B2Apparatus and method for forming duct flanges and duct workHVAC INVENTORS/SYSTEMATION INC·Filed 2021·Granted Jul 11, 2023·0 cites·16 claims
- 0370US12257618B1Apparatus and method for closing duct seams and for inserting angle plates and closing duct seamsHVAC INVENTORS/SYSTEMATION INC·Filed 2024·Granted Mar 25, 2025·0 cites·36 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →