DH

David L. Hughes

Merck: 13 patents #850 of 9,382Top 10%
EE Ellison Educational Equipment: 7 patents #2 of 18Top 15%
MI Mueller International: 5 patents #60 of 196Top 35%
PN Provo Craft And Novelty: 1 patents #27 of 49Top 60%
Overall (All Time): #122,802 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 25 most recent of 30 patents

Patent #TitleCo-InventorsDate
11951599 Pipe coupon extraction tool Timothy J. Mitchell 2024-04-09
11945038 Pipe coupon retainer 2024-04-02
11913584 Insert valve cut warning system Timothy J. Mitchell, Samantha Ellen Covington 2024-02-27
11549628 Insert valve cut warning system Timothy J. Mitchell, Samantha Ellen Covington 2023-01-10
11478910 Pipe coupon extraction tool Timothy J. Mitchell 2022-10-25
D685049 Golf tee and pick holder 2013-06-25
7434508 Die press with dual cam Kevin L. Corcoran, Carl Von Hirsch 2008-10-14
7066083 Die press with integral cover and guides and improved die feed system Kevin L. Corcoran 2006-06-27
6994024 Embossing system to be used with a die press Kevin L. Corcoran 2006-02-07
6977355 Tailored blank Walter W. Duley, Melih Ogmen, Gary Keith Black, Brian G. Morris, Michael James Staples 2005-12-20
6945166 Die press with dual cam Kevin L. Corcoran, Carl Von Hirsch 2005-09-20
6626965 Apparatus for forming die cuts and method of manufacturing same Robert Emmett Workman, Kevin L. Corcoran, Faye Angevine, Huang Lin-Sheng 2003-09-30
6619195 Die press with integral cover and guides and improved die feed system Kevin L. Corcoran 2003-09-16
D472564 Die press Kevin L. Corcoran, Guorui Deng, Faye Angevine 2003-04-01
D468187 Grip for a die press Kevin L. Corcoran, Guorui Deng 2003-01-07
6426153 Tailored blank Walter W. Duley, Melih Ogmen 2002-07-30
6333435 Process of synthesizing binaphthyl derivatives Dongwei Cai, Sylvain Levac, Thomas R. Verhoeven 2001-12-25
6262268 Process and intermediates to a tetrahydro-[1,8]-naphthyridine Michael Palucki, Chunhua Yang, Nobuyoshi Yasuda 2001-07-17
6060682 Overlapping joint for laser welding of tailored blanks Wido Westbroek, Gursharan Ubhi 2000-05-09
5892082 Process for the preparation of dimethyl titanocene Dongwei Cai, Ian Frank Cottrell, Joseph F. Payack 1999-04-06
5665882 Pyridyl ethylation of lactams John Y. L. Chung, Dalian Zhao, James M. McNamara 1997-09-09
5552521 Process for preparing certain aza cyclohexapeptides Kevin M. Belyk, Dean R. Bender, Regina M. Black, William Leonard 1996-09-03
5340927 Process for the preparation of 2-diazo-3-trisubstituted silyloxy 3-butenoates 1994-08-23
5312923 Process for preparing fibrinogen receptor antagonists John Y. L. Chung, Dalian Zhao 1994-05-17
5206373 Process for preparing fibrinogen receptor antagonists John Y. L. Chung, Dalian Zhao 1993-04-27