Inventor · disambiguated record
Helmut Ruff
Also filed as: RUFF HELMUT
2 granted patents·113 citations·filing 1977–1994
68Inventor score
Top patents by PatentIndex Score
2 records- 0190US5533594AChairlift with positioning carriage and swivel mechanism with safety interlockCONCORD ELEVATOR INC·Filed 1994·Granted Jul 9, 1996·82 cites·21 claims
- 0271US4169652AMethod and apparatus for connecting electrical conductorsPFISTERER ELEKTROTECH KARL·Filed 1977·Granted Oct 2, 1979·31 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Helmut Ruff 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 →