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

David Carrel — 13 Patents

Cisco: 5 patents #2,819 of 13,007Top 25%
RNRedback Networks: 4 patents #16 of 75Top 25%
GRGraphiant: 2 patents #4 of 9Top 45%
Tiburon, CA: #30 of 226 inventorsTop 15%
California: #47,433 of 386,348 inventorsTop 15%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
David Carrel has been granted 13 US patents while listed as an inventor at Cisco. The first was granted in 2003 and the most recent in January 2025. David Carrel ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list David Carrel in Tiburon, CA, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12212663 Bounded broadcast encryption key management Stefan Olofsson, Neale D. R. Ranns, Ijsbrand Wijnands 2025-01-28
11750581 Secure communication network Mosaddaq Hussain Turabi 2023-09-05
11431730 Systems and methods for extending authentication in IP packets Suresh Singh Keisam, Prabahar Radhakrishnan 2022-08-30 $88,681,000
11381386 Secure network communication Venugopal Hemige, Praveen Raju Kariyanahalli 2022-07-05 $46,365,000
11258628 Plug and play at sites using TLOC-extension Kapil Dev 2022-02-22 $46,475,000
11095619 Information exchange for secure communication Praveen Raju Kariyanahalli 2021-08-17 $49,521,000
10873455 Techniques for encryption key rollover synchronization in a network Brian Weis, Michael L. Sullenberger 2020-12-22 $62,797,000
8489245 Coordinated energy resource generation Leslie Weise 2013-07-16
7320036 Method and apparatus for multiple communications sessions Che-Lin Ho, Dan Simone, Thomas M. Stoner 2008-01-15
7269182 Method and apparatus for PPPoE multicast Che-Lin Ho, Thomas M. Stoner, Michael David Tracy 2007-09-11
7088737 Method and apparatus for combining packets having different protocol encapsulations within a circuit 2006-08-08 $13,440,000
6973095 Remote circuit provisioning Che-Lin Ho, Thomas M. Stoner 2005-12-06 $8,574,000
6609471 Sailing boat having mast force detection John W. Oldham, III 2003-08-26