Inventor · disambiguated record
Perry N. Law
Also filed as: LAW PERRY · LAW PERRY N
25 granted patents·2 pending applications·349 citations·filing 1985–2025
96Inventor score
Files withFRESENIUS MEDICAL CARE HOLDINGS INC11BARRETT LOUIS L8FRESENIUS MED CARE HLDG INC3HEMA METRICS INC2EFI CORP1
Top patents by PatentIndex Score
27 records- 0192US8743354B2Shrouded sensor clip assembly and blood chamber for an optical blood monitoring systemBARRETT LOUIS L·Filed 2012·Granted Jun 3, 2014·11 cites·25 claims
- 0291US9801993B2Sensor clip assembly for an optical monitoring systemBARRETT LOUIS L·Filed 2011·Granted Oct 31, 2017·56 cites·18 claims
- 0388US4630163AMethod and apparatus for a transient-suppression networkEFI CORP·Filed 1985·Granted Dec 16, 1986·89 cites·39 claims
- 0485US8333724B2Low flow optical blood chamberBARRETT LOUIS L·Filed 2010·Granted Dec 18, 2012·25 cites·12 claims
- 0584US8517968B2Shrouded sensor clip assembly and blood chamber for an optical blood monitoring systemBARRETT LOUIS L·Filed 2011·Granted Aug 27, 2013·18 cites·41 claims
- 0682US9849225B2Self calibrating blood chamberFRESENIUS MEDICAL CARE HOLDINGS INC·Filed 2016·Granted Dec 26, 2017·4 cites·15 claims
- 0780US8328748B2Off-axis blood chamberLAW PERRY N·Filed 2010·Granted Dec 11, 2012·18 cites·7 claims
- 0878USD654999SBlood flow chamberBARRETT LOUIS L·Filed 2011·Granted Feb 28, 2012·24 cites·1 claims
- 0974USD623302SOptical sensor blood flow chamberHEMA METRICS LLC·Filed 2010·Granted Sep 7, 2010·24 cites·1 claims
- 1073US10471201B2Sensor clip assembly for an optical monitoring systemFRESENIUS MEDICAL CARE HOLDINGS INC·Filed 2018·Granted Nov 12, 2019·1 cites·18 claims
- 1173US9194792B2Blood chamber for an optical blood monitoring systemBARRETT LOUIS L·Filed 2010·Granted Nov 24, 2015·7 cites·17 claims
- 1273US9173988B2Sensor clip assembly for an optical monitoring systemBARRETT LOUIS L·Filed 2011·Granted Nov 3, 2015·12 cites·18 claims
- 1370US11389576B2Determination of patient blood volume at start of a dialysis treatmentFRESENIUS MEDICAL CARE HOLDINGS INC·Filed 2018·Granted Jul 19, 2022·1 cites·8 claims
- 1470USD799031SBlood flow chamber with directional arrowFRESENIUS MEDICAL CARE HOLDINGS INC·Filed 2015·Granted Oct 3, 2017·15 cites·1 claims
- 1569USD757934SBlood flow chamberFRESENIUS MED CARE HLDG INC·Filed 2015·Granted May 31, 2016·11 cites·1 claims
- 1668US11013846B2Controlling data output of a sensor clip assembly for an optical monitoring systemFRESENIUS MEDICAL CARE HOLDINGS INC·Filed 2020·Granted May 25, 2021·0 cites·16 claims
- 1768US9308306B2Self calibrating blood chamberFRESENIUS MED CARE HLDG INC·Filed 2014·Granted Apr 12, 2016·3 cites·3 claims
- 1868US2025387548A1Dynamic measurement of constituent concentration in aqueous solutionsFRESENIUS MEDICAL CARE HOLDINGS INC·Filed 2025·Application pending·0 cites
- 1965US2022323658A1Determination of patient blood volume at start of a dialysis treatmentFRESENIUS MEDICAL CARE HOLDINGS INC·Filed 2022·Application pending·0 cites
- 2064US10668204B2Remote interfacing with a sensor clip assembly for an optical monitoring systemFRESENIUS MEDICAL CARE HOLDINGS INC·Filed 2019·Granted Jun 2, 2020·0 cites·16 claims
- 2164US9285305B2Shrouded sensor clip assembly and blood chamber for an optical blood monitoring systemFRESENIUS MED CARE HLDG INC·Filed 2014·Granted Mar 15, 2016·2 cites·16 claims
- 2262USD725261SBlood flow chamberBARRETT LOUIS L·Filed 2012·Granted Mar 24, 2015·10 cites·1 claims
- 2359US10179201B2Sensor clip assembly for an optical monitoring systemFRESENIUS MEDICAL CARE HOLDINGS INC·Filed 2017·Granted Jan 15, 2019·0 cites·19 claims
- 2458US7247143B2Bladder-based cuff for measuring physiological parameters and method of measuring physiological parameters using sameHEMA METRICS INC·Filed 2003·Granted Jul 24, 2007·16 cites·6 claims
- 2551US7708694B2Bladder-based cuff for measuring physiological parameters and method of measuring physiological parameter using sameHEMA METRICS INC·Filed 2007·Granted May 4, 2010·0 cites·9 claims
- 2639USD979050SBlood flow lineFRESENIUS MEDICAL CARE HOLDINGS INC·Filed 2019·Granted Feb 21, 2023·2 cites·1 claims
- 2734USD1104260SLinear blood flow chamberFRESENIUS MEDICAL CARE HOLDINGS INC·Filed 2024·Granted Dec 2, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →