Inventor · disambiguated record
John Calhoun
Also filed as: CALHOUN JOHN · CALHOUN JOHN L
13 granted patents·2 pending applications·109 citations·filing 1994–2023
90Inventor score
Files withAGILENT TECHNOLOGIES INC11SANDEN INTERNATIONAL U S A INC2CALHOUN JOHN1SANDEN INTERNAT U S A INC1
Top patents by PatentIndex Score
15 records- 0194US9435339B2Vibration/noise management in a scroll compressorAGILENT TECHNOLOGIES INC·Filed 2013·Granted Sep 6, 2016·22 cites·13 claims
- 0293US9341186B2Scroll vacuum pump and method of maintenance including replacing a tip seal of a scroll vacuum pumpAGILENT TECHNOLOGIES INC·Filed 2013·Granted May 17, 2016·10 cites·7 claims
- 0390US10094381B2Vacuum pump system with light gas pumping and leak detection apparatus comprising the sameAGILENT TECHNOLOGIES INC·Filed 2015·Granted Oct 9, 2018·4 cites·17 claims
- 0481US9605674B2Vacuum scroll pump having pressure-balanced orbiting plate scrollAGILENT TECHNOLOGIES INC·Filed 2013·Granted Mar 28, 2017·3 cites·20 claims
- 0578US5836752AScroll-type compressor with spirals of varying pitchSANDEN INTERNATIONAL U S A INC·Filed 1996·Granted Nov 17, 1998·32 cites·21 claims
- 0675US10473096B2Modular pump platformAGILENT TECHNOLOGIES INC·Filed 2013·Granted Nov 12, 2019·3 cites·16 claims
- 0770US5490769AVariable capacity scroll type fluid displacement apparatusSANDEN INTERNATIONAL U S A INC·Filed 1994·Granted Feb 13, 1996·27 cites·55 claims
- 0861US9822780B2Scroll vacuum pump and method of maintenance including replacing a tip seal of a scroll vacuum pumpAGILENT TECHNOLOGIES INC·Filed 2016·Granted Nov 21, 2017·0 cites·9 claims
- 0955US9328730B2Angular synchronization of stationary and orbiting plate scroll blades in a scroll pump using a metallic bellowsAGILENT TECHNOLOGIES INC·Filed 2013·Granted May 3, 2016·0 cites·6 claims
- 1054US2025180022A1Scroll pump with two-piece crankshaftAGILENT TECHNOLOGIES INC·Filed 2023·Application pending·0 cites
- 1151US10294939B2Angular synchronization of stationary and orbiting plate scroll blades in a scroll pump using a metallic bellowsAGILENT TECHNOLOGIES INC·Filed 2016·Granted May 21, 2019·0 cites·11 claims
- 1250US8622724B2Scroll pump with isolation barrierCALHOUN JOHN·Filed 2009·Granted Jan 7, 2014·0 cites·18 claims
- 1342US8961160B2Scroll pump having separable orbiting plate scroll and method of replacing tip sealAGILENT TECHNOLOGIES INC·Filed 2013·Granted Feb 24, 2015·0 cites·20 claims
- 1441US6220840B1Wall shape for scroll-type compressor vanesSANDEN INTERNAT U S A INC·Filed 1998·Granted Apr 24, 2001·8 cites·7 claims
- 1540US2018058453A1Hermetic vacuum pump isolation valveAGILENT TECHNOLOGIES INC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →