David S. Cramer — 9 Patents at Aps Technology

David S. Cramer has been granted 9 US patents while listed as an inventor at Aps Technology. The first was granted in 2015 and the most recent in December 2023. David S. Cramer ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list David S. Cramer in Okotoks, AB, CA.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date
11852015	Rotary steerable drilling system	—	2023-12-26
11149525	System, method and apparatus for controlling fluid flow through drill string	Michael Harvey	2021-10-19
11041351	Downhole flow diversion device with oscillation damper	Michael Harvey, David Devlin	2021-06-22
10544637	Downhole flow diversion device with oscillation damper	Michael Harvey, David Devlin	2020-01-28
10107073	System, method and apparatus for controlling fluid flow through drill string	Michael Harvey	2018-10-23
9976413	Pressure locking device for downhole tools	Andrew Roberts, Carl Allison Perry	2018-05-22
9765613	Drilling system and electromagnetic telemetry tool with an electrical connector assembly and associated methods	Andrew Roberts	2017-09-19
9328576	System, method and apparatus for controlling fluid flow through drill string	Michael Harvey	2016-05-03
9187997	System, method and apparatus for reducing shock and vibration in down hole tools	—	2015-11-17

David S. Cramer — 9 Patents

Issued Patents All Time

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