Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Daniel R. Alexander — 17 Patents

CECelgard: 10 patents #17 of 126Top 15%
DADaramic: 3 patents #24 of 57Top 45%
TCTenneco Automotive Operating Company: 1 patents #202 of 382Top 55%
Horton, MI: #1 of 19 inventorsTop 6%
Michigan: #5,079 of 86,293 inventorsTop 6%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Daniel R. Alexander has been granted 17 US patents while listed as an inventor at Celgard. The first was granted in 1989 and the most recent in July 2024. Daniel R. Alexander ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Daniel R. Alexander in Horton, MI, US.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12040456 Membranes, calendered microporous membranes, battery separators, and related methods Kristoffer K. Stokes, William John Mason, Kang Karen Xiao, Xiaomin Zhang, Barry J. Summey +7 more 2024-07-16
11952475 Base films for impregnation, improved impregnated products, and related methods Takahiko Kondo, Masaaki Okada, Stefan Reinartz 2024-04-09
11949124 Coated separators, lithium batteries, and related methods Zhengming Zhang, Michael B. Lane, Insik Jeon, Edward Kruger, Xiang Yu +3 more 2024-04-02
11909006 Thin battery separators and methods Paul M. Halmo, Xiaomin Zhang, Paul D. Vido, Zhengming Zhang, Lie Shi +1 more 2024-02-20
11766642 Microporous membranes, underlayment, roofing, flashing, wrap, and methods for making and using the same Matthew Stainer, Eric H. Miller, Matt J. Wolski, Tyler Munhollon, Gary L. Fulkerson 2023-09-26
11594765 Thin battery separators and methods Paul M. Halmo, Xiaomin Zhang, Paul D. Vido, Zhengming Zhang, Lie Shi +1 more 2023-02-28
11569549 Membranes, calendered microporous membranes, battery separators, and related methods Kristoffer K. Stokes, William John Mason, Kang Karen Xiao, Xiaomin Zhang, Barry J. Summey +7 more 2023-01-31
11114702 Thin battery separators and methods Paul M. Halmo, Xiaomin Zhang, Paul D. Vido, Zhengming Zhang, Lie Shi +1 more 2021-09-07
10938010 Absorbent glass mat separators, VRLA batteries, and related methods of manufacture and use Ahila Krishnamoorthy 2021-03-02
10777800 Membranes, calendered microporous membranes, battery separators, and related methods Kristoffer K. Stokes, William John Mason, Kang Karen Xiao, Xiaomin Zhang, Barry J. Summey +7 more 2020-09-15
10347951 Thin battery separators and methods Paul M. Halmo, Xiaomin Zhang, Paul D. Vido, Zhengming Zhang, Lie Shi +1 more 2019-07-09
10056592 Absorbent glass mat separators, VRLA batteries, and related methods of manufacture and use Ahila Krishnamoorthy 2018-08-21
9666847 Thin battery separators and methods Paul M. Halmo, Xiaomin Zhang, Paul D. Vido, Zhengming Zhang, Lie Shi +1 more 2017-05-30
9334781 Vertical ultrasonic decomposition pipe John Stanavich, William Adams, Michael Golin 2016-05-10 $11,343,000
7885893 Method and system for the authorization of and payment for electric charging of vehicles 2011-02-08
4900089 Headrest 1990-02-13
4807933 Headrest 1989-02-28