Inventor · disambiguated record
Alfred Ernst
Also filed as: ERNST ALFRED
13 granted patents·4 pending applications·130 citations·filing 1976–2012
91Inventor score
Top patents by PatentIndex Score
17 records- 0169US7454960B2Hardness tester with a loading structure of the indenter independent of the stress frame connecting the indenter to the anvilERIK ERNST·Filed 2003·Granted Nov 25, 2008·12 cites·4 claims
- 0266US4805962ASeat shell for a motor vehicle seatDAIMLER BENZ AG·Filed 1982·Granted Feb 21, 1989·32 cites·16 claims
- 0364US5309754AHardness tester and method for measuring the hardness of metallic materialsERNST ALFRED·Filed 1991·Granted May 10, 1994·28 cites·4 claims
- 0455US7310994B2Method and device for obtaining a determined flow resistance of a flow channel by means of a measuring bridgeEXTRUDE HONE GMBH·Filed 2003·Granted Dec 25, 2007·5 cites·10 claims
- 0554US4023401AHand-operable durometerERNST ALFRED·Filed 1976·Granted May 17, 1977·13 cites·18 claims
- 0653US9546825B2Plate heat exchangerABKER GERD·Filed 2012·Granted Jan 17, 2017·1 cites·10 claims
- 0750US7743645B2Method and device for obtaining a determined flow resistance of a flow channel by means of a measuring bridgeEXTRUDE HONE GMBH·Filed 2007·Granted Jun 29, 2010·0 cites·4 claims
- 0845US4107978ADurometer according to Rockwell systemERNST ALFRED·Filed 1977·Granted Aug 22, 1978·9 cites·12 claims
- 0943US4444045AHand-operated hardness meterERNST ALFRED·Filed 1982·Granted Apr 24, 1984·9 cites·10 claims
- 1043US4262525AHardness testing apparatus provided with a safety stop deviceERNST ALFRED·Filed 1979·Granted Apr 21, 1981·8 cites·3 claims
- 1143US2009107221A1Hardness tester with indenter of hard metal or compound and oscillating crown for testing at high load and method of comparative assesment of the hardness/depth profileERNST ALFRED·Filed 2004·Application pending·0 cites
- 1239US5571954AElectrical resistance hardness tester for metallic materialsFiled 1994·Granted Nov 5, 1996·8 cites·6 claims
- 1337US2013277024A1Plate Heat ExchangerABKER GERD·Filed 2012·Application pending·0 cites
- 1435US2013319069A1Heat exchanger systemGEA ECOFLEX GMBH·Filed 2012·Application pending·0 cites
- 1532US4899578ADriving device for a hardness measuring instrumentERNST ALFRED·Filed 1988·Granted Feb 13, 1990·4 cites·23 claims
- 1629US2005076488A1Method and device for obtaining a determined flow resistance of a flow channelFiled 2003·Application pending·0 cites
- 1728US4182162ADurometerERNST ALFRED·Filed 1978·Granted Jan 8, 1980·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →