Inventor · disambiguated record
Robert Adolph Ackermann
Also filed as: ACKERMANN ROBERT A · ACKERMANN ROBERT ADOLPH
32 granted patents·1 pending application·879 citations·filing 1981–2014
98Inventor score
Files withGEN ELECTRIC24KONINKLIJKE PHILIPS NV4ACKERMANN ROBERT A1ACKERMANN ROBERT ADOLPH1MECHANICAL TECH INC1
Top patents by PatentIndex Score
33 records- 0194US6442949B1Cryongenic cooling refrigeration system and method having open-loop short term cooling for a superconducting machineGEN ELECTRIC·Filed 2001·Granted Sep 3, 2002·70 cites·24 claims
- 0294US6438969B1Cryogenic cooling refrigeration system for rotor having a high temperature super-conducting field winding and methodGEN ELECTRIC·Filed 2001·Granted Aug 27, 2002·69 cites·19 claims
- 0393US6437568B1Low noise MRI scannerGEN ELECTRIC·Filed 2000·Granted Aug 20, 2002·76 cites·17 claims
- 0493US5513498ACryogenic cooling systemGEN ELECTRIC·Filed 1995·Granted May 7, 1996·92 cites·10 claims
- 0592US6412289B1Synchronous machine having cryogenic gas transfer coupling to rotor with super-conducting coilsGEN ELECTRIC·Filed 2001·Granted Jul 2, 2002·47 cites·18 claims
- 0689US6415613B1Cryogenic cooling system with cooldown and normal modes of operationGEN ELECTRIC·Filed 2001·Granted Jul 9, 2002·47 cites·20 claims
- 0784US5446433ASuperconducting magnet having a shock-resistant support structureGEN ELECTRIC·Filed 1994·Granted Aug 29, 1995·53 cites·10 claims
- 0882US5691679ACeramic superconducting lead resistant to moisture and breakageGEN ELECTRIC·Filed 1996·Granted Nov 25, 1997·55 cites·10 claims
- 0982US5111665ARedundant cryorefrigerator system for a refrigerated superconductive magnetGEN ELECTRIC·Filed 1991·Granted May 12, 1992·53 cites·15 claims
- 1081US6157276AMRI magnet assembly with non-conductive inner wallGEN ELECTRIC·Filed 1998·Granted Dec 5, 2000·46 cites·5 claims
- 1181US5113165ASuperconductive magnet with thermal diodeGEN ELECTRIC·Filed 1990·Granted May 12, 1992·33 cites·16 claims
- 1280US10403423B2Superconducting magnet system including thermally efficient ride-through system and method of cooling superconducting magnet systemKONINKLIJKE PHILIPS NV·Filed 2014·Granted Sep 3, 2019·4 cites·19 claims
- 1379US5563566ACryogen-cooled open MRI superconductive magnetGEN ELECTRIC·Filed 1995·Granted Oct 8, 1996·63 cites·10 claims
- 1479US4389844ATwo stage stirling engineMECHANICAL TECH INC·Filed 1981·Granted Jun 28, 1983·32 cites·2 claims
- 1577US9074798B2Tubular thermal switch for the cryo-free magnetACKERMANN ROBERT A·Filed 2010·Granted Jul 7, 2015·5 cites·20 claims
- 1676US6708503B1Vacuum retention method and superconducting machine with vacuum retentionGEN ELECTRIC·Filed 2002·Granted Mar 23, 2004·16 cites·16 claims
- 1772US10748690B2Method and device for controlling cooling loop for superconducting magnet system in response to magnetic fieldKONINKLIJKE PHILIPS NV·Filed 2014·Granted Aug 18, 2020·2 cites·19 claims
- 1872US7255013B2Method and apparatus for measuring cryogenic flowGEN ELECTRIC·Filed 2005·Granted Aug 14, 2007·8 cites·16 claims
- 1967US5257915AOil free linear motor compressorGEN ELECTRIC·Filed 1992·Granted Nov 2, 1993·24 cites·18 claims
- 2066US7003977B2Cryogenic cooling system and method with cold storage deviceGEN ELECTRIC·Filed 2003·Granted Feb 28, 2006·14 cites·16 claims
- 2162US6996994B2Vacuum retention method and superconducting machine with vacuum retentionGEN ELECTRIC·Filed 2004·Granted Feb 14, 2006·6 cites·3 claims
- 2260US10107879B2Low-loss persistent current switch with heat transfer arrangementKONINKLIJKE PHILIPS NV·Filed 2013·Granted Oct 23, 2018·1 cites·18 claims
- 2359US9683759B2Very efficient heat exchanger for cryogen free MRI magnetKONINKLIJKE PHILIPS NV·Filed 2012·Granted Jun 20, 2017·1 cites·20 claims
- 2455US5552211ACeramic superconducting lead resistant to breakageGEN ELECTRIC·Filed 1995·Granted Sep 3, 1996·14 cites·1 claims
- 2550US9494359B2Horizontal finned heat exchanger for cryogenic recondensing refrigerationPFLEIDERER GLEN G·Filed 2009·Granted Nov 15, 2016·0 cites·12 claims
- 2650US5103647ADynamically balanced Gifford-McMahon refrigerator cold headGEN ELECTRIC·Filed 1991·Granted Apr 14, 1992·17 cites·16 claims
- 2749US2008209919A1System including a heat exchanger with different cryogenic fluids therein and method of using the samePHILIPS MEDICAL SYSTEMS MR INC·Filed 2007·Application pending·0 cites
- 2845US5759960ASuperconductive device having a ceramic superconducting lead resistant to breakageGEN ELECTRIC·Filed 1996·Granted Jun 2, 1998·12 cites·3 claims
- 2941US5552372ACeramic superconducting lead resistant to breakageGEN ELECTRIC·Filed 1995·Granted Sep 3, 1996·9 cites·4 claims
- 3040US9575150B2Helium vapor magnetic resonance magnetACKERMANN ROBERT ADOLPH·Filed 2012·Granted Feb 21, 2017·0 cites·17 claims
- 3136US5133800AFabrication of cryogenic refrigerator regenerator materials by spark erosionGEN ELECTRIC·Filed 1991·Granted Jul 28, 1992·4 cites·5 claims
- 3235US5571606ACeramic superconducting lead resistant to breakageGEN ELECTRIC·Filed 1995·Granted Nov 5, 1996·3 cites·1 claims
- 3334US5574001ACeramic superconducting lead resistant to breakageGEN ELECTRIC·Filed 1995·Granted Nov 12, 1996·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →