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USPTO Patent Rankings Data through Dec 31, 2025
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Daniel A. Spielman — 5 Patents

CCCompaq Computer: 1 patents #854 of 1,604Top 55%
DEDigital Equipment: 1 patents #1,005 of 2,100Top 50%
Philadelphia, PA: #793 of 4,834 inventorsTop 20%
Pennsylvania: #16,056 of 74,527 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Daniel A. Spielman has been granted 5 US patents while listed as an inventor at Compaq Computer. The first was granted in 1989 and the most recent in December 2000. Daniel A. Spielman ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Daniel A. Spielman in Philadelphia, PA, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6163870 Message encoding with irregular graphing Michael G. Luby, Michael Mitzenmacher, Mohammad Amin Shokrollahi, Volker Stemann 2000-12-19 $62,349,000
6081909 Irregularly graphed encoding technique Michael G. Luby, Mohammad Amin Shokrollahi, Volker Stemann, Michael Mitzenmacher 2000-06-27
6081918 Loss resilient code with cascading series of redundant layers 2000-06-27
6073250 Loss resilient decoding technique Michael G. Luby, Mohammad Amin Shokrollahi, Volker Stemann, Michael Mitzenmacher 2000-06-06
4814986 Device for monitoring relative point of impact of an object in flight proximal a reference line on a surface 1989-03-21