Daniel M. Woo — 19 Patents at Geospace Technologies

Daniel M. Woo has been granted 19 US patents while listed as an inventor at Geospace Technologies. The first was granted in 1992 and the most recent in October 2016. Daniel M. Woo ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Daniel M. Woo in Missouri City, TX, US.

Patents per Year

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Showing 1–19 of 19 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9470808	Micro-geophone	—	2016-10-18	$3,790,000
9297916	Micro-geophone	—	2016-03-29	$2,873,000
8976627	Micro-geophone	—	2015-03-10	$3,013,000
8947980	Micro-geophone	—	2015-02-03	$3,891,000
8208347	Geophone having improved damping control	—	2012-06-26	$5,839,000
8098546	Geophone having improved sensitivity	—	2012-01-17	$5,943,000
8050144	Vertical geophone having improved distortion characteristics	—	2011-11-01	$5,431,000
7369716	High pressure and high temperature acoustic sensor	Arne Berg, Sverre Knudsen, Geir Bjarte Havsgard, James Dunphy	2008-05-06	$80,898,000
7116850	Hydrophone mandrel for precise placement of gratings	—	2006-10-03	$22,324,000
7082079	Pressure compensated hydrophone	—	2006-07-25	$31,349,000
7013729	Highly sensitive accelerometer	Sverre Knudsen, Arne Berg, James Dunphy	2006-03-21	$33,385,000
6882595	Pressure compensated hydrophone	—	2005-04-19	$42,458,000
6789424	Highly sensitive accelerometer	Sverre Knudsen, Arne Berg, James Dunphy	2004-09-14	$12,994,000
6575033	Highly sensitive accelerometer	Sverre Knudsen, Arne Berg, James Dunphy	2003-06-10	$46,337,000
5555222	Low distortion geophone spring	—	1996-09-10	$18,084,000
5469408	High resolution geophone	—	1995-11-21	$17,007,000
5450375	Geophone shock absorber	—	1995-09-12	$16,151,000
5134594	Geophone spring	—	1992-07-28	$8,269,000
5119345	Geophone	James C. Woodall	1992-06-02	$14,761,000

Daniel M. Woo — 19 Patents

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