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USPTO Patent Rankings Data through Dec 31, 2025
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David A. Krula — 10 Patents

VEVerbatim: 6 patents #4 of 80Top 5%
Kyocera: 2 patents #1,365 of 3,732Top 40%
NCNortek Security & Control: 2 patents #14 of 61Top 25%
San Diego, CA: #4,346 of 23,606 inventorsTop 20%
California: #61,378 of 386,348 inventorsTop 20%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
David A. Krula has been granted 10 US patents while listed as an inventor at Verbatim. The first was granted in 1996 and the most recent in February 2020. David A. Krula ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list David A. Krula in San Diego, CA, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10553089 Building security and automation system speaker and method Christopher Laguer Acera, Bruce Ehlers, Kaoru Hisamoto, Brian Vencil Skarda, Robert True +4 more 2020-02-04
10181245 Dryer vent monitoring device 2019-01-15
7621776 Wireless communication device including a socket for a removable memory device and method of using the same 2009-11-24 $303,000
7311551 Wireless communication device including a socket for a removable memory device and method of using the same 2007-12-25
6390402 Tape cartridge having lockout features Don Stanley, Thi Ho, Anthony Arce 2002-05-21
6354527 Tape cartridge having lockout rails 2002-03-12
6068207 Tape cartridge having roller sets with substantially equal geometries Don Stanley, Thi Ho, Anthony Arce 2000-05-30
6045079 Tape cartridge having a large door and pivotally mounted write protect arm Don Stanley, Norbert Vollman, Edward Snelleman, Thi Ho, Anthony Arce 2000-04-04
6032895 Collared hub pin for a tape cartridge Tom Kao, Li Zhao 2000-03-07
5542593 Tape guides for magnetic tape equipment Leif Skaar, Kenneth Sheppard, Donald Stanley, Hossein A. Zeinali, Ali Khorsandian 1996-08-06