Torsten Zeppenfeld — 13 Patents at Cloudflare

Torsten Zeppenfeld has been granted 13 US patents while listed as an inventor at Cloudflare. The first was granted in 2007 and the most recent in September 2025. Torsten Zeppenfeld ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Torsten Zeppenfeld in Emerald Hills, CA, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12430617	Business email compromise detection system	Umalatha Batchu, Blake Darche, Philip Syme	2025-09-30
12321453	Machine learning-based malicious attachment detector	Javier Castro, YenHsiang Chang	2025-06-03
12306943	Machine learning-based malicious attachment detector	Javier Castro	2025-05-20
11861563	Business email compromise detection system	Umalatha Batchu, Blake Darche, Philip Syme	2024-01-02	$78,006,000
11556644	Machine learning-based malicious attachment detector	Javier Castro	2023-01-17	$252,784,000
11050698	Message processing system with business email compromise detection	Umalatha Batchu, YenHsiang Chang, Debashri Mukherjee, Paul East	2021-06-29
10528731	Detecting malicious program code using similarity of hashed parsed trees	Philip Syme, Peter Stein	2020-01-07
9571652	Enhanced diarization systems, media and methods of use	Richard Gutierrez, Lisa Guerra, Andrew S. Efron, Anthony Rajakumar	2017-02-14	$4,812,000
9172808	Systems and methods for identifying a caller	Joseph James Schmid, Manish Sharma, Lisa Guerra, Richard Gutierrez, Mark Andrew Lazar +1 more	2015-10-27	$4,270,000
9113001	Systems, methods, and media for disambiguating call data to determine fraud	Anthony Rajakumar, Lisa Guerra, Vipul Vyas	2015-08-18	$14,869,000
8903859	Systems, methods, and media for generating hierarchical fused risk scores	N. Nikki Mirghafori, Lisa Guerra, Richard Gutierrez, Anthony Rajakumar	2014-12-02	$6,589,000
8649783	No-cost mobile device messaging, such as for provisioning an application on a mobile device	Brian Roundtree, Tim Shelton, Gordon Waddell, Pim Van Meurs, Jon Witort	2014-02-11	$12,437,000
7162421	Dynamic barge-in in a speech-responsive system	Brian Strope, Su-Lin Wu, Ben Shahshahani	2007-01-09	$26,077,000

Torsten Zeppenfeld — 13 Patents

Issued Patents All Time

Patent Widget