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USPTO Patent Rankings Data through Dec 31, 2025
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Ralph P. McCabe — 14 Patents

CIColtec Industries: 6 patents #3 of 72Top 5%
COColt Industries Operating: 5 patents #6 of 77Top 8%
CIColt Industries: 3 patents #4 of 52Top 8%
Troy, MI: #255 of 2,712 inventorsTop 10%
Michigan: #6,429 of 86,293 inventorsTop 8%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Ralph P. McCabe has been granted 14 US patents while listed as an inventor at Coltec Industries. The first was granted in 1980 and the most recent in January 1994. Ralph P. McCabe ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Ralph P. McCabe in Troy, MI, US.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5277399 Solenoid operated pressure regulating valve 1994-01-11 $11,007,000
5217047 Solenoid operated pressure regulating valve 1993-06-08 $8,335,000
5121769 Solenoid operated pressure regulating valve Robert O. Koch 1992-06-16 $10,543,000
5076326 Electromagnetically operated fluid control valve 1991-12-31
5060695 Bypass flow pressure regulator 1991-10-29
5025682 Transmission solenoid retaining clip Lawrence McAuliffe, Jr. 1991-06-25
4966195 Transmission pressure regulator 1990-10-30
4938190 Throttle plate actuator 1990-07-03
4861068 Solenoid valve for programmer vehicle suspension system 1989-08-29
4434762 Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine 1984-03-06 $2,260,000
4434763 Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine Keith D. Marsh 1984-03-06 $2,260,000
4338901 Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine 1982-07-13 $7,327,000
4294282 Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine Keith D. Marsh 1981-10-13 $10,480,000
4238110 Electromagnetic fuel metering valve assembly 1980-12-09 $1,141,000