Inventor · disambiguated record
Manfred Hartwig
Also filed as: HAERTWIG MANFRED · HARTWIG MANFRED
4 granted patents·22 citations·filing 1986–2018
71Inventor score
Top patents by PatentIndex Score
4 records- 0143US11634822B2Systems and methods for providing monitored and controlled cathodic protection potentialONESUBSEA IP UK LTD·Filed 2018·Granted Apr 25, 2023·0 cites·11 claims
- 0240US4722362APilot operated 3/2 poppet valveREXROTH MANNESMANN GMBH·Filed 1986·Granted Feb 2, 1988·9 cites·3 claims
- 0334US4682756AHydraulically operated self-closing two-way seat-type valveREXROTH MANNESMANN GMBH·Filed 1986·Granted Jul 28, 1987·7 cites·2 claims
- 0430US4687177ADevice for adjusting the switching time of a valve memberREXROTH MANNESMANN GMBH·Filed 1986·Granted Aug 18, 1987·6 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →