Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4702970 | Composite coatings on ceramic substrates | Hans E. Hintermann | 1987-10-27 |
| 4701384 | Composite coatings on cemented carbide substrates | Hans E. Hintermann | 1987-10-20 |
| 4698266 | Coated cemented carbide tool for steel roughing applications and methods for machining | Sergei-Tomislav V. Buljan, Helmut Lingertat, J. Gary Baldoni | 1987-10-06 |
| 4670024 | Silicon nitride cutting tool and process for making | Deepak G. Bhat, Paul F. Woerner | 1987-06-02 |
| 4527638 | Mine tool roof bit insert and a method of drilling therewith | Jaime Sanchez | 1985-07-09 |
| 4527931 | Indexable insert for mining drill | — | 1985-07-09 |
| 4497228 | Method of machining cast iron | Robert A. Penty, Sergej-Tomislav Buljan | 1985-02-05 |
| 4489796 | Insert for a mine tool roof bit and a method of drilling therewith | Jaime Sanchez | 1984-12-25 |
| 4488609 | Mining drill | — | 1984-12-18 |
| 4469489 | Coated composite modified silicon aluminum oxynitride cutting tools | Sergej-Tomislav Buljan | 1984-09-04 |
| 4449989 | Coated silicon nitride cutting tools | Sergej-Tomislav Buljan | 1984-05-22 |
| 4446936 | Mining drill | Peter Oberhauser | 1984-05-08 |
| 4441894 | Coated composite silicon nitride cutting tools | Sergej-Tomislav Buljan | 1984-04-10 |
| 4440547 | Alumina coated silicon nitride cutting tools | Sergej-Tomislav Buljan | 1984-04-03 |
| 4433979 | Abrasion resistant silicon nitride based articles | Robert A. Penty, Sergej-Tomislav Buljan | 1984-02-28 |
| 4433739 | Mining drill | — | 1984-02-28 |
| 4431431 | Carbide coated silicon nitride cutting tools | Sergej-Tomislav Buljan | 1984-02-14 |
| 4427082 | Mining drill | Peter Oberhauser | 1984-01-24 |
| 4426209 | Carbide coated composite modified silicon aluminum oxynitride cutting tools | Sergej-Tomislav Buljan | 1984-01-17 |
| 4425141 | Composite ceramic cutting tool | Sergej-Tomislav Buljan | 1984-01-10 |
| 4424066 | Alumina coated composite silicon aluminum oxynitride cutting tools | Sergej-Tomislav Buljan | 1984-01-03 |
| 4421528 | Process for making a modified silicon aluminum oxynitride based composite cutting tool | Sergej-Tomislav Buljan | 1983-12-20 |
| 4421525 | Alumina coated composite silicon nitride cutting tools | Sergej-Tomislav Buljan, Charles D'Angelo, III | 1983-12-20 |
| 4416670 | Carbide coated composite silicon nitride cutting tools | Sergej-Tomislav Buljan, Charles D'Angelo, III | 1983-11-22 |
| 4409003 | Carbonitride coated silicon nitride cutting tools | Sergej-Tomislav Buljan | 1983-10-11 |