Inventor · disambiguated record
Karl H. Ullmann
Also filed as: ULLMANN KARL H · ULLMANN KARL HANS
3 granted patents·42 citations·filing 1977–1978
71Inventor score
Technology areasE02F
Files withHARNISCHFEGER CORP3
Top patents by PatentIndex Score
3 records- 0167US4103791AShovel attachment means for hydraulic excavatorHARNISCHFEGER CORP·Filed 1977·Granted Aug 1, 1978·20 cites·8 claims
- 0255US4193733AHydraulic excavator machine having self-contained electrohydraulic power unitsHARNISCHFEGER CORP·Filed 1978·Granted Mar 18, 1980·13 cites·12 claims
- 0343US4143778AShovel attachment means for hydraulic excavatorHARNISCHFEGER CORP·Filed 1978·Granted Mar 13, 1979·9 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →