Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7077993 | Apparatus for softening a selected portion of a steel object by heating | Algirdas A. Underys | 2006-07-18 |
| 6398885 | Method and apparatus for preventing cracking of the shank junction of die blocks | Algirdas A. Underys | 2002-06-04 |
| 5972130 | High impact and thermal shock resistant die steel, dies, dies blocks and method of manufacture thereof | Algirdas A. Underys | 1999-10-26 |
| 5888450 | Fine grained ductile plastic injection molds forging tools and machine components and alloy steel therefor having a titanium nitride pinned austenitic grain structure | Algirdas A. Underys | 1999-03-30 |
| 5720829 | Maraging type hot work implement or tool and method of manufacture thereof | Guy A. Brada, Algirdas A. Underys | 1998-02-24 |
| 5496516 | Dual purpose steel and products produced therefrom | Algirdas A. Underys | 1996-03-05 |
| 5415834 | Warm forging implement, composition and method of manufacture thereof | Algirdas A. Underys | 1995-05-16 |
| 5364588 | Double stabilized stainless-type steel die block | Guy A. Brada, Algirdas A. Underys | 1994-11-15 |
| 5252120 | Method and apparatus for double vacuum production of steel | Guy A. Brada, Algirdas A. Underys | 1993-10-12 |
| 5244626 | Hot work die block | Nicholas Cerwin | 1993-09-14 |
| 5232660 | Nitrogen steel and method of manufacture thereof | Albert L. Lehman | 1993-08-03 |
| 5180444 | Method for controlled fluid quenching of steel | Nicholas Cerwin | 1993-01-19 |
| 5110379 | High temperature fine-grained steel product | — | 1992-05-05 |
| 5059389 | Low alloy steel product | Albert L. Lehman | 1991-10-22 |
| 4950324 | Tri-level method and apparatus for post melting treatment of molten steel | Bruce C. Liimatainen, Herbert S. Philbrick, Jr. | 1990-08-21 |
| 4894087 | Simplified method and apparatus for treating molten steel | Bruce C. Liimatainen, Herbert S. Philbrick, Jr. | 1990-01-16 |
| 4887277 | Electric arc furnace | — | 1989-12-12 |
| 4780134 | Simplified method and apparatus for treating molten steel | Bruce C. Liimatainen | 1988-10-25 |
| 4655826 | Method for post-melting treatment of molten steel | — | 1987-04-07 |
| 4600427 | Method of ladle steelmaking and product produced thereby | Albert L. Lehman | 1986-07-15 |
| 4597742 | Trimming arrangement for planing hulls | — | 1986-07-01 |
| 4541862 | Ladle steelmaking method and apparatus | Albert L. Lehman, Herbert S. Philbrick, Jr. | 1985-09-17 |