Nguyen; Don Quy

Patent Applications and Registrations

Patent applications and USPTO patent grants for Nguyen; Don Quy.The latest application filed is for "earth-boring tools carrying formation-engaging structures".

Company Profile

2.11.9

Nguyen; Don Quy - Houston TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Earth-boring Tools Carrying Formation-engaging Structures App 20200087993 - Nguyen; Don Quy ; et al.	2020-03-19
Earth-boring tools carrying formation-engaging structures Grant 10,502,001 - Nguyen , et al. Dec	2019-12-10
Earth-boring Tools Carrying Formation-engaging Structures App 20170130534 - Nguyen; Don Quy ; et al.	2017-05-11
Seal Ring With Auxiliary Ring for Earth-Boring Bit App 20110024199 - Zahradnik; Anton ; et al.	2011-02-03
Excluder ring for earth-boring bit Grant 7,708,090 - Zahradnik , et al. May 4, 2	2010-05-04
Metal face seal for an earth-boring bit Grant 7,413,037 - Lin , et al. August 19, 2	2008-08-19
Excluder ring for earth-boring bit App 20080011518 - Zahradnik; Anton ; et al.	2008-01-17
Anti-mud packing seal gland Grant 7,086,487 - Nguyen August 8, 2	2006-08-08
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations Grant 7,066,280 - Sullivan , et al. June 27, 2	2006-06-27
Metal face seal App 20060060359 - Lin; Chih ; et al.	2006-03-23
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations App 20040222018 - Sullivan, Eric Charles ; et al.	2004-11-11
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations App 20040069539 - Sullivan, Eric Charles ; et al.	2004-04-15
Anti-mud packing seal gland App 20040000435 - Nguyen, Don Quy	2004-01-01
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations Grant 6,626,251 - Sullivan , et al. September 30, 2	2003-09-30
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations Grant 6,571,886 - Sullivan , et al. June 3, 2	2003-06-03
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations Grant 6,543,312 - Sullivan , et al. April 8, 2	2003-04-08
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations Grant 6,540,033 - Sullivan , et al. April 1, 2	2003-04-01
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations Grant 6,419,032 - Sullivan , et al. July 16, 2	2002-07-16
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations App 20010054514 - Sullivan, Eric Charles ; et al.	2001-12-27
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations Grant 6,230,822 - Sullivan , et al. May 15, 2	2001-05-15

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