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Deven John Efta — 2 Patents

Caterpillar: 2 patents #2,997 of 8,398Top 40%

Mayville, ND: #66 of 197 inventorsTop 35%

North Dakota: #805 of 2,395 inventorsTop 35%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

2 Patents All Time

Deven John Efta has been granted 2 US patents while listed as an inventor at Caterpillar. The first was granted in 2014 and the most recent in May 2018. Deven John Efta ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Deven John Efta in Mayville, ND, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9975208	Alloy for cast iron repair	Tomasz J. Chojnacki, Mark D. Veliz	2018-05-22	$33,501,000
8893690	Check valve for an engine breather assembly	D. Brent Cluskey	2014-11-25	$27,762,000

Deven John Efta — 2 Patents

Issued Patents All Time

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