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USPTO Patent Rankings Data through Dec 31, 2025
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David E. Engle — 7 Patents

IBM: 7 patents #14,688 of 70,183Top 25%
Vestal, NY: #102 of 481 inventorsTop 25%
New York: #20,477 of 115,490 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
David E. Engle has been granted 7 US patents while listed as an inventor at IBM. The first was granted in 1990 and the most recent in March 1996. David E. Engle ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list David E. Engle in Vestal, NY, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5497103 Test apparatus for circuitized substrate William S. Ebert, Kishor Desai, Thomas G. Macek 1996-03-05 $15,621,000
5205750 Temperature compensating strain relief connection for flexible electrical circuits Robert E. Darrow 1993-04-27 $8,906,000
5163834 High density connector Fletcher W. Chapin, David W. Dranchak, Richard R. Hall, Thomas G. Macek 1992-11-17 $11,529,000
5099393 Electronic package for high density applications James R. Bentlage, Geoffrey R. Mariner, John J. Squires, John Houston Williams 1992-03-24 $12,540,000
5061192 High density connector Fletcher W. Chapin, David W. Dranchak, Richard R. Hall, Thomas G. Macek 1991-10-29 $24,273,000
4907975 Electrical connector utilizing flexible electrical circuitry David W. Dranchak, David Hessian, Alan D. Knight, Wai Mon Ma, Thomas G. Macek +1 more 1990-03-13 $23,957,000
4892487 Connector assembly with movable carriage David W. Dranchak, Alan D. Knight 1990-01-09 $29,087,000