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USPTO Patent Rankings Data through Dec 31, 2025
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Edwin B. Merrick — 27 Patents

HP: 10 patents #1,925 of 7,018Top 30%
PUPuritan-Bennett: 6 patents #6 of 110Top 6%
CSChf Solutions: 5 patents #7 of 19Top 40%
ASAspect Medical Systems: 2 patents #12 of 20Top 60%
BIBiotek Instruments: 1 patents #11 of 26Top 45%
FEFluke Electronics: 1 patents #5 of 20Top 25%
Stow, MA: #14 of 318 inventorsTop 5%
Massachusetts: #3,752 of 88,656 inventorsTop 5%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
Edwin B. Merrick has been granted 27 US patents. The first was granted in 1985 and the most recent in February 2011. Edwin B. Merrick ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Edwin B. Merrick in Stow, MA, US.

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7886611 Pressure sensor disconnect detection for a blood treatment device John O'Mahony, Mark Gelfand 2011-02-15
7671974 Cuvette apparatus and system for measuring optical properties of a liquid such as blood John O'Mahony, Xinrui Hou 2010-03-02
7647834 Pressure sensor disconnect detection for a blood treatment device John O'Mahony, Mark Gelfand 2010-01-19
7230687 Blood leak detector for extracorporeal treatment system John O'Mahony, Sonny Behan 2007-06-12
RE39268 Simulation for pulse oximeter Peter Haas, John Tobey Clark, Michael Lane 2006-09-05
6985833 System and method for the detection and removal of radio frequency noise artifact from biopotential signals John R. Shambroom, Charles P. Smith, Hongmei Cai 2006-01-10 $7,531,000
6947131 Blood leak detector for extracorporeal treatment system John O'Mahony, Sonny Behan 2005-09-20
6467478 Gas mixing apparatus for a ventilator Glen N. Gee, John O'Mahony, John O'Dea 2002-10-22
6298255 Smart electrophysiological sensor system with automatic authentication and validation and an interface for a smart electrophysiological sensor system Rafael Cordero, Philip H. Devlin, Nassib G. Chamoun, John R. Shambroom, Joäo Melo 2001-10-02 $3,628,000
6116240 Gas mixing apparatus for a ventilator Glen N. Gee, John O'Mahony, John O'Dea 2000-09-12
5934274 Gas mixing apparatus for a ventilator Glen N. Gee, John O'Mahony, John O'Dea 1999-08-10
5664560 Gas mixing apparatus for a ventilator Glen N. Gee, John O'Mahony, John O'Dea 1997-09-09
5531221 Double and single acting piston ventilators John Power, John O'Mahony 1996-07-02
5357953 Measurement device and method of calibration Amal Jeryes, Neal B. Dowling, Jr., Yuan-Yuan Young, Larry Powell 1994-10-25 $1,849,000
5348005 Simulation for pulse oximeter Peter Haas 1994-09-20
4883055 Artificially induced blood pulse for use with a pulse oximeter 1989-11-28 $1,354,000
4883353 Pulse oximeter Kenneth A. Hausman 1989-11-28 $1,354,000
4854326 Establishing a zero reference for invasive pressure sensors 1989-08-08 $11,847,000
4800749 Transducer calibration circuit 1989-01-31 $9,315,000
4763649 Technique for creating a zero reference for an external pressure transducer 1988-08-16 $40,553,000
4703759 Flush valve device Albert K. Bond 1987-11-03 $96,939,000
4602322 Transistor rectifier 1986-07-22 $30,866,000
4581940 Dome and transducer with compensating temperature coefficient Thomas P. Stephens 1986-04-15 $31,967,000
4582976 Method of adjusting a temperature compensating resistor while it is in a circuit 1986-04-15 $31,967,000
4573475 Receiving radiation from loops in a common plane for monitoring hospital patients leadlessly John N. Dukes 1986-03-04 $62,519,000