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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DA

Daniel D. Alper — 4 Patents

BUBurroughs: 2 patents #155 of 604Top 30%
EDEnergy Conversion Devices: 1 patents #133 of 231Top 60%
MPMechanical Products: 1 patents #3 of 6Top 50%
Ypsilanti, MI: #290 of 1,007 inventorsTop 30%
Michigan: #22,248 of 86,293 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Daniel D. Alper has been granted 4 US patents while listed as an inventor at Burroughs. The first was granted in 1980 and the most recent in September 2003. Daniel D. Alper ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Daniel D. Alper in Ypsilanti, MI, US.

Patents per Year

Patents granted per year, 1980 to 2003Bar chart with a peak of 1 patents in 1980.peak 11980: 1 patents19801984: 1 patents19841987: 1 patents19872003: 1 patents2003

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6626323 Vane heat transfer structure Ned T. Stetson, Michael J. Marchio, Arthur Holland, David R. Gorman, Jun Yang 2003-09-30 $934,000
4688512 Backlighted trip indicator Kenneth C. Bakhaus, Michael H. Estkowski 1987-08-25
4451027 Constant spacing document feeder 1984-05-29 $2,675,000
4209139 Power driven paper take-up mechanism 1980-06-24 $6,040,000