Inventor · disambiguated record

Friedrich Ullner

Also filed as: ULLNER FRIEDRICH

1 granted patent·11 citations·filing 1986–1986

33Inventor score

Technology areasE05D

Files withULLNER FRIEDRICH BAUTECH1

Top patents by PatentIndex Score

1 record

0123US4731950AAirtight closing sliding door with contact pressure and integrated one-hand operationULLNER FRIEDRICH BAUTECH·Filed 1986·Granted Mar 22, 1988·11 cites·5 claims

Join the waitlist — get patent alerts

Get an alert when Friedrich Ullner 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 →