Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Daniel Christopher Kefford — 3 Patents

Chevron: 3 patents #1,350 of 4,788Top 30%
Joondalup, TX: #1 of 1 inventorsTop 100%
Overall (All Time): #1,487,041 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9541220 Conduit displacement mitigation apparatus including springs, methods and systems for use with subsea conduits Antonio Carlos Falcao Critsinelis, Sid A. Mebarkia, Daria Igorevna Bougai, Dane Ryne Drew 2017-01-10
9291287 Conduit displacement mitigation apparatus including mesh layers, methods and systems for use with subsea conduits Antonio Carlos Falcao Critsinelis, Sid A. Mebarkia, Daria Igorevna Bougai, Dane Ryne Drew 2016-03-22
8656939 Apparatus, system and methods for sealing and severing a subsea pipeline Jarred Christopher Sharp, Scott Oren Crook, Jimmie Dean Adkins, Edward Shintaro Nakajima, Jean Michael Thibodeaux 2014-02-25