Martin E. Cobern — 14 Patents at Aps Technology

Martin E. Cobern has been granted 14 US patents while listed as an inventor at Aps Technology. The first was granted in 1987 and the most recent in October 2018. Martin E. Cobern ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Martin E. Cobern in Cheshire, CT, US.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10113363	System and related methods for control of a directional drilling operation	—	2018-10-30
9458679	Apparatus and method for damping vibration in a drill string	William Evans Turner, Mark Hutchinson, Dirk Bosman, Mark Ellsworth Wassell, Carl Allison Perry	2016-10-04
9279903	Apparatus for measuring bending on a drill bit operating in a well	Mark Ellsworth Wassell, Carl Allison Perry	2016-03-08
8397562	Apparatus for measuring bending on a drill bit operating in a well	Mark Ellsworth Wassell, Carl Allison Perry	2013-03-19
7762356	Rotary steerable motor system for underground drilling	William Evans Turner, Carl Allison Perry, Mark Ellsworth Wassell, Jason R. Barbely, Daniel E. Burgess	2010-07-27
7681663	Methods and systems for determining angular orientation of a drill string	—	2010-03-23
7389830	Rotary steerable motor system for underground drilling	William Evans Turner, Carl Allison Perry, Mark Ellsworth Wassell, Jason R. Barbely, Daniel E. Burgess	2008-06-24
5242020	Method for deploying extendable arm for formation evaluation MWD tool	—	1993-09-07	$8,667,000
5034929	Means for varying MWD tool operating modes from the surface	Walter A. Helm	1991-07-23	$10,575,000
4894923	Method and apparatus for measurement of azimuth of a borehole while drilling	Richard D. DiPersio, Edmund M. Hamlin	1990-01-23	$23,818,000
4813274	Method for measurement of azimuth of a borehole while drilling	Richard D. DiPersio	1989-03-21	$5,713,000
4761889	Method for the detection and correction of magnetic interference in the surveying of boreholes	Frederick A. Stone, Edmund M. Hamlin	1988-08-09	$8,675,000
4716973	Method for evaluation of formation invasion and formation permeability	—	1988-01-05	$8,323,000
4647853	Mud turbine tachometer	—	1987-03-03	$8,594,000

Martin E. Cobern — 14 Patents

Issued Patents All Time

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