Inventor · disambiguated record
David L. Ausen
Also filed as: AUSEN DAVID L
4 granted patents·4 pending applications·28 citations·filing 2011–2025
70Inventor score
Top patents by PatentIndex Score
8 records- 0186US9358409B2Air filtration deviceAUSEN DAVID L·Filed 2011·Granted Jun 7, 2016·16 cites·15 claims
- 0285US8667960B2Radial blower with shaped scroll profileAUSEN DAVID L·Filed 2011·Granted Mar 11, 2014·12 cites·15 claims
- 0384US2025213895A1Hardhat with shaped air conduit3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Application pending·0 cites
- 0484US2025221486A1Hood for hardhat and respirator apparatus3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Application pending·0 cites
- 0584US2025249295A1Hardhat with air conduit3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Application pending·0 cites
- 0658USD1100364SAir supply attachment for a helmet3M INNOVATIVE PROPERTIES COMPANY·Filed 2025·Granted Oct 28, 2025·0 cites·1 claims
- 0743USD1057296SAir supply attachment for a helmet3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Granted Jan 7, 2025·0 cites·1 claims
- 0840US2013014751A1Helmet-mounted respirator apparatus with a dual plenum system3M INNOVATIVE PROPERTIES CO·Filed 2011·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David L. Ausen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →