Class B21L : MAKING CHAINS
Subclass 9/04: Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains (B21L 1/04, B21L 7/00, B21L 11/14, B21L 13/00 take precedence) of roller-chain or other plate-link type Punching or bending the different parts of the chain links
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12172205 | Method for producing gourmette jewellery articles | Jan 20, 22 | Dec 24, 24 | Marco Bicego S.P.A. |
| 12059723 | Chain tool for different speed chains | Aug 23, 21 | Aug 13, 24 | Not available |
| 11629011 | Chain link and conveyor chain comprising chain links, blank for a chain link and method of manufacturing a blank for a chain link | Jan 10, 20 | Apr 18, 23 | REXNORD FLATTOP EUROPE B.V. |
| 11458529 | Chain tool | Jan 07, 20 | Oct 04, 22 | Not available |
| 11054004 | Roller chain outer plate links: arrangements, systems of use, and methods | Dec 05, 19 | Jul 06, 21 | FMH Conveyors LLC |
| 10533646 | Roller chain outer plate links: arrangements, systems of use, and methods | Jan 09, 17 | Jan 14, 20 | FMH Conveyors LLC |
| 10145449 | Method for producing low-waste chain link plates | Feb 02, 18 | Dec 04, 18 | iwis motorsysteme GmbH & Co. KG |
| 9308575 | Power transmission chain pin and manufacture method thereof | Dec 23, 11 | Apr 12, 16 | JTEKT CORPORATION |
| 8146340 | Link chain | Sep 27, 07 | Apr 03, 12 | DAIDO KOGYO CO., LTD. |
| 7546725 | Silent chain | Jun 02, 06 | Jun 16, 09 | TSUBAKIMOTO CHAIN CO. |
| 5966923 | Chain | Feb 16, 99 | Oct 19, 99 | DAIFUKU CO., LTD. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0321,716 | CHAIN AND METHOD FOR MANUFACTURING A CHAIN | Jul 27, 21 | Oct 12, 23 | KAGA INDUSTRIES CO., LTD. |
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