U.S. patent number D384,084 [Application Number D/043,782] was granted by the patent office on 1997-09-23 for rotary cone drill bit. This patent grant is currently assigned to Dresser Industries, Inc.. Invention is credited to Harry Morales Campos, Jr., Alan Dee Huffstutler.
United States Patent | D384,084 |
Huffstutler , et al. | September 23, 1997 |
Inventors: | Huffstutler; Alan Dee (Grand Prairie, TX), Campos, Jr.; Harry Morales (Grand Prairie, TX) |
---|---|
Assignee: | Dresser Industries, Inc.
(Dallas, TX) |
Appl. No.: | D/043,782 |
Filed: | September 12, 1995 |
Application Number | Filing Date | Patent Number | Issue Date | ||
---|---|---|---|---|---|
33599 | Jan 17, 1995 | ||||
Current U.S. Class: | D15/139 |
Current International Class: | 1509 |
Field of Search: | ;D15/139 ;175/374,426,378,406,429,353,359,371,372,342,341,376,377,340 |
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International Search Report, International Application No. PCT/US95/10115, dated Jan. 4, 1996. . U.S. Patent Application No. 08/422140, filed Apr. 13, 1995, entitled Rotary Drill Bit for Manufacture and Rebuild. . U.S. Patent Application No. 08/478455, filed Jun. 6, 1995, entitled Rotary Cone Drill Bit Modular Arm. . Security/Dresser "Security Oilfield Catalog" Rock Bits, Diamond Products, Drilling Tools, Security Means Technology, Nov., 1991-Nov., 1992. . "State of the Science in Rock Bit Techn." by Carlos Fernandez, SPACEBIT, Aug. 8, 1991. . U.S. Patent Application Serial No. 08/287,441, filed Aug. 8, 1994 and entitled Rotary Cone Drill Bit With Improved Support Arms (060220.0171). . U.S. Patent Application Serial No. 08/287,390, filed Aug. 8, 1994 and entitled Rotary Cone Drill Bit and Method for Manufacture and Rebuild (060220.0172). . U.S. Patent Application Serial No. 08/351,019 filed filed Dec. 7, 1994 and entitled Rotary Cone Drill Bit and Method for Enhanced Lifting of Fluids and Cuttings (060220.0178). . U.S. Patent Application Serial No. 08/350,910 filed Dec. 7, 1994 and entitled Rotary Cone Drill Bit With Angled Ramps (060220.0179). . U.S. Design Patent Serial 29/033,630 filed Jan. 17, 1995 and entitled Support Arm and Rotary Cone for Modular Drill Bit (060220.0174). . U.S. Patent Application Serial No. 29/033,599 filed Jan. 17, 1995 and entitled Rotary Drill Bit Design (060220.0173).. |
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