Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7048810 | Method of manufacturing hot formed high strength steel | Jayoung Koo, Narasimha-Rao Venkata Bangaru, Michael J. Luton | 2006-05-23 |
| 6852175 | High strength marine structures | Moses Minta, Ann T. Leger | 2005-02-08 |
| 6264760 | Ultra-high strength, weldable steels with excellent ultra-low temperature toughness | Hiroshi Tamehiro, Hitoshi Asahi, Takuya Hara, Yoshio Terada, Michael J. Luton +2 more | 2001-07-24 |
| 6248191 | Method for producing ultra-high strength, weldable steels with superior toughness | Michael J. Luton, Jayoung Koo, Narasimha-Rao Venkata Bangaru, Hiroshi Tamehiro, Hitoshi Asahi +2 more | 2001-06-19 |
| 6245290 | High-tensile-strength steel and method of manufacturing the same | Jayoung Koo, Narasimha-Rao Venkata Bangaru, Michael J. Luton, Kazuki Fujiwara, Shuji Okaguchi +2 more | 2001-06-12 |
| 6228183 | Ultra-high strength, weldable, boron-containing steels with superior toughness | Narasimha-Rao Venkata Bangaru, Jayoung Koo, Michael J. Luton, Hiroshi Tamehiro, Hitoshi Asahi +2 more | 2001-05-08 |
| 6224689 | Ultra-high strength, weldable, essentially boron-free steels with superior toughness | Jayoung Koo, Michael J. Luton, Narasimha-Rao Venkata Bangaru, Hiroshi Tamehiro, Hitoshi Asahi +2 more | 2001-05-01 |
| 4739273 | Apparatus for detecting substantially longitudinal flaws in the end area of a tubular member using magnetic excitation and a scanning sensor | Mark C. Moyer | 1988-04-19 |
| 4503393 | Method and apparatus for detecting flaws in the threaded end of an elongate member using electromagnetic excitation and an automated scanning sensor | Mark C. Moyer, Felix N. Kusenberger, William D. Perry, Floyd A. Balter, Cecil M. Teller, II | 1985-03-05 |
| 4367794 | Acoustically actuated downhole blowout preventer | John M. Bednar | 1983-01-11 |
| 4314365 | Acoustic transmitter and method to produce essentially longitudinal, acoustic waves | John M. Bednar, Edwin J. Hocker, Jr., David H. Gauger, James M. Henderson | 1982-02-02 |