David E. Siverling — 2 Patents at Ico

David E. Siverling has been granted 2 US patents while listed as an inventor at Ico. The first was granted in 1997 and the most recent in September 2005. David E. Siverling ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David E. Siverling in Houston, TX, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6945113	End-to-end ultrasonic inspection of tubular goods	Doug R. Lester, Bill McWhorter	2005-09-20
5600069	Ultrasonic testing apparatus and method for multiple diameter oilfield tubulars	Richard J. Girndt	1997-02-04	$691,000

David E. Siverling — 2 Patents

Issued Patents All Time

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