Inventor · disambiguated record
Peter Marr
Also filed as: MARR PETER · MARR PETER A · MARR PETER ANTHONY · VON KLINGGRAFF GERHARD
10 granted patents·75 citations·filing 1975–1995
88Inventor score
Top patents by PatentIndex Score
10 records- 0168US4094153ABreast roof support system for longwall miningBOCHUMER EISEN HEINTZMANN·Filed 1976·Granted Jun 13, 1978·13 cites·11 claims
- 0268US4077670AMethod and apparatus for advancing and supporting an underground mine galleryBOCHUMER EISEN HEINTZMANN·Filed 1977·Granted Mar 7, 1978·14 cites·10 claims
- 0368US4008578APit prop assemblyBOCHUMER EISEN HEINTZMANN·Filed 1976·Granted Feb 22, 1977·13 cites·10 claims
- 0464US5514535AStabilized vinyl sulfone hardening compositions useful in photographic manufacturingEASTMAN KODAK CO·Filed 1995·Granted May 7, 1996·6 cites·20 claims
- 0563US4088488APhotographic elements containing nitroxyl radical oxidantsEASTMAN KODAK CO·Filed 1975·Granted May 9, 1978·7 cites·9 claims
- 0656US4252476AHydraulically operated mine prop with safety valveBOCHUMER EISEN HEINTZMANN·Filed 1979·Granted Feb 24, 1981·13 cites·14 claims
- 0741US4183700AWalking mine supportBOCHUMER EISEN HEINTZMANN·Filed 1978·Granted Jan 15, 1980·4 cites·8 claims
- 0841US4094154ARoof prop apparatus and method for longwall miningBOCHUMER EISEN HEINTZMANN·Filed 1976·Granted Jun 13, 1978·4 cites·19 claims
- 0935US5658721AStabilized vinyl sulfone hardening compositions useful in photographic manufacturingEASTMAN KODAK CO·Filed 1995·Granted Aug 19, 1997·1 cites·22 claims
- 1028US4175891AAuxiliary walking mine supportBOCHUMER EISEN HEINTZMANN·Filed 1978·Granted Nov 27, 1979·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →