Inventor · disambiguated record
Heinz Grachtrup
Also filed as: GRACHTRUP HEINZ
5 granted patents·58 citations·filing 1980–1989
80Inventor score
Files withKRUPP POLYSIUS AG5
Top patents by PatentIndex Score
5 records- 0189US4315439ADrive apparatus for rotary unitKRUPP POLYSIUS AG·Filed 1980·Granted Feb 16, 1982·27 cites·22 claims
- 0273US4457520ADevice for sealing the gap between a rotary kiln and an inlet housingKRUPP POLYSIUS AG·Filed 1982·Granted Jul 3, 1984·15 cites·10 claims
- 0342US4554876ARotary kiln with coolerKRUPP POLYSIUS AG·Filed 1984·Granted Nov 26, 1985·5 cites·8 claims
- 0439US4915311ARoller millKRUPP POLYSIUS AG·Filed 1989·Granted Apr 10, 1990·7 cites·7 claims
- 0539US4488730ADevice for sealing a ring gearKRUPP POLYSIUS AG·Filed 1983·Granted Dec 18, 1984·4 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Heinz Grachtrup 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 →