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USPTO Patent Rankings Data through Dec 31, 2025
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Daniel Christopher Kefford — 3 Patents

Chevron: 3 patents #1,355 of 4,788Top 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Daniel Christopher Kefford has been granted 3 US patents while listed as an inventor at Chevron. The first was granted in 2014 and the most recent in January 2017. Daniel Christopher Kefford ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Daniel Christopher Kefford in Joondalup, TX, AU.

Patents per Year

Patents granted per year, 2014 to 2017Bar chart with a peak of 1 patents in 2014.peak 12014: 1 patents20142016: 1 patents20162017: 1 patents2017

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
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 $187,469,000
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 $138,049,000
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 $55,857,000