Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Klein — 18 Patents

HUHurletron: 8 patents #2 of 11Top 20%
FYFyusion: 4 patents #28 of 50Top 60%
MSMegtec Systems: 1 patents #19 of 35Top 55%
W&W. R. Grace &: 1 patents #186 of 433Top 45%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
David Klein has been granted 18 US patents while listed as an inventor at Hurletron. The first was granted in 1984 and the most recent in January 2025. David Klein ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list David Klein in Petershohn, CA, DE.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12187649 Method and apparatus for producing carbon foam boards Michael GERADS 2025-01-07
12030779 Method for producing carbon- or graphite-foam parts Torsten Kornmeyer, Michael GERADS 2024-07-09
11981572 Method for water-efficient production of graphite from paper 2024-05-14
11024093 Live augmented reality guides Stefan Johannes Josef Holzer, Alexander Jay Bruen Trevor, Michelle Jung-Ah Ho, Stephen David Miller, Shuichi Tsutsumi +1 more 2021-06-01
10665024 Providing recording guidance in generating a multi-view interactive digital media representation Stefan Johannes Josef Holzer, Alexander Jay Bruen Trevor, Michelle Jung-Ah Ho, Stephen David Miller, Shuichi Tsutsumi +1 more 2020-05-26
10535197 Live augmented reality guides Stefan Johannes Josef Holzer, Alexander Jay Bruen Trevor, Michelle Jung-Ah Ho, Stephen David Miller, Shuichi Tsutsumi +1 more 2020-01-14
9996945 Live augmented reality guides Stefan Johannes Josef Holzer, Alexander Jay Bruen Trevor, Michelle Jung-Ah Ho, Stephen David Miller, Shuichi Tsutsumi +1 more 2018-06-12
6735883 Electrostatic assisted web cooling and remoistening device Michael P. Bria, Ed Salmon, David Welter, Steven J. Siler 2004-05-18
6435094 Web processing with electrostatic moistening Steven J. Siler 2002-08-20
6408754 Flexographic printing apparatus Steven J. Siler 2002-06-25
6376024 Web processing with electrostatic cooling Steven J. Siler 2002-04-23
6314879 Flexographic printing apparatus Steven J. Siler 2001-11-13
6299685 Web processing with electrostatic moistening Steven J. Siler 2001-10-09
6076466 Printing press with electrostatic cooling and method of operating Steven J. Siler 2000-06-20
6006669 Apparatus for affixing removable notes to a moving web Steven J. Siler 1999-12-28
5881647 Printing press with electrostatic cooling Steven J. Siler 1999-03-16
5402616 Concrete weldment and method of manufacture 1995-04-04
4425719 Compact air bar assembly for contactless web support Richard J. Wimberger, Michael O. Rocheleau, Randall D. Helms 1984-01-17 $4,490,000