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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Gerald M. Cotreau — 16 Patents

Harris: 15 patents #75 of 2,461Top 4%
Melbourne, FL: #79 of 1,077 inventorsTop 8%
Florida: #3,136 of 67,251 inventorsTop 5%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Gerald M. Cotreau has been granted 16 US patents while listed as an inventor at Harris. The first was granted in 1985 and the most recent in September 1998. Gerald M. Cotreau ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Gerald M. Cotreau in Melbourne, FL, US.

Patents per Year

Patents granted per year, 1985 to 1998Bar chart with a peak of 4 patents in 1996.peak 41985: 1 patents19851987: 1 patents19871988: 1 patents19881989: 2 patents19891990: 1 patents19901995: 2 patents19951996: 4 patents19961997: 3 patents19971998: 1 patents1998

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5812658 Method and circuit for failsafe switch-hook detection during fault in a telephone system Donald K. Whitney 1998-09-22 $5,131,000
5671272 Current mode ring trip detector 1997-09-23 $4,118,000
5659570 Circuit and method for loopback test and on-hook transmission integrated in a telephone subscriber line interface circuit Christopher Ludeman, Donald K. Whitney 1997-08-19 $3,917,000
5614867 Current follower with zero input impedance 1997-03-25 $3,103,000
5572162 Filter with reduced element ratings and method 1996-11-05 $6,519,000
5517565 Integrated ringer relay circuit and method 1996-05-14 $3,241,000
5515417 Ground key detector for a SLIC 1996-05-07 $3,069,000
5515434 Impedance setting circuit for a SLIC 1996-05-07
5471131 Analog-to-digital converter and reference voltage circuitry Ken King, David W. Riemer 1995-11-28 $8,678,000
5382916 Differential voltage follower Ken King, David W. Riemer 1995-01-17 $2,792,000
4891604 High speed low input current voltage follower stage 1990-01-02 $2,892,000
4879520 High accuracy current source and high accuracy transconductance stage 1989-11-07 $2,758,000
4879523 High accuracy, high impedance differential to single-ended current converter 1989-11-07 $2,758,000
4783637 Front end stage of an operational amplifier 1988-11-08 $5,864,000
4636743 Front end stage of an operational amplifier 1987-01-13 $2,722,000
4560948 Circuit for increasing voltage gain John S. Prentice 1985-12-24 $3,547,000