Class B23P : OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
Subclass 15/08: Making specific metal objects by operations not covered by a single other subclass or a group in this subclass piston rings from several pieces
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10113643 | Compression piston ring for an internal combustion engine | Mar 18, 14 | Oct 30, 18 | Ford Global Technologies, LLC |
| 10065276 | Reduced compression height piston and piston assembly therewith and methods of construction thereof | Aug 04, 15 | Sep 04, 18 | Federal-Mogul LLC |
| 9067286 | Piston ring for a piston of an internal combustion engine, and a method for producing same | Dec 21, 11 | Jun 30, 15 | MAHLE INTERNATIONAL GMBH |
| 8973262 | Method for producing a piston ring | Aug 13, 11 | Mar 10, 15 | FEDERAL-MOGUL BURSCHEID GMBH |
| 7685710 | Method for producing a piston for an internal combustion engine | Oct 30, 04 | Mar 30, 10 | MAHLE INTERNATIONAL GMBH |
| 6562480 | Wear resistant coating for piston rings | Jan 10, 01 | May 13, 03 | MAHLE ENGINE COMPONENTS USA, INC. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2018/0369,970 | REDUCED COMPRESSION HEIGHT PISTON AND PISTON ASSEMBLY THEREWITH AND METHODS OF CONSTRUCTION THEREOF | Aug 30, 18 | Dec 27, 18 | Not available |
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