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Class Information
Number: 76/DIG.2
Name: Metal tools and implements, making > Case hardening
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5765452 |
Method for improving the endurance of a blade base of a disc chipper, a blade base of a disc chipper and a disc chipper |
Jun. 16, 1998 |
| 5265500 |
Method of making shock-resistant and wear-resistant tools of composite steel structure |
Nov. 30, 1993 |
| 5249485 |
Bandsaw blade and method of manufacturing same |
Oct. 5, 1993 |
| 5244375 |
Plasma ion nitrided stainless steel press plates and applications for same |
Sep. 14, 1993 |
| 5171109 |
Cutting tool |
Dec. 15, 1992 |
| 4969378 |
Case hardened roller cutter for a rotary drill bit and method of making |
Nov. 13, 1990 |
| 4867015 |
Rock drilling bit and a method of producing the same |
Sep. 19, 1989 |
| 4829854 |
Cutting and scoring strip |
May. 16, 1989 |
| 4660444 |
Hardening of selected areas of an earth boring rockbit |
Apr. 28, 1987 |
| 4642003 |
Rotary cutting tool of cemented carbide |
Feb. 10, 1987 |
| 3988955 |
Coated steel product and process of producing the same |
Nov. 2, 1976 |
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