Description
Class C22C : ALLOYS
Subclass 9/04: Alloys based on copper with zinc as the next major constituent
C22C 9/04
Sub-Class
Stats
- 303 US PATENTS IN FORCE
- 76 US APPLICATIONS PENDING
- 89 Total Patent Owners
- 909 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12260974 | Stranded wire conductors and methods for manufacturing stranded wires | Sep 11, 24 | Mar 25, 25 | HUZHOU JIN TAI CONDUCTOR TECHNOLOGY CO., LTD. |
| 12258502 | Antimicrobial metallized thin films for refurbishing communal contact surfaces | Aug 14, 23 | Mar 25, 25 | Flex Ltd. |
| 12241149 | Electrical contact element | May 05, 20 | Mar 04, 25 | ERNI INTERNATIONAL AG |
| 12234531 | Apparatus and method for production of high purity copper-based alloys | Apr 04, 23 | Feb 25, 25 | DOGGONE INVESTMENT CO. LLC |
| 12195833 | Pb free Cu—Zn alloy | Mar 30, 21 | Jan 14, 25 | OTTO FUCHS KOMMANDITGESELLSCHAFT |
| 12195869 | Bronze layers as noble metal substitutes | Jun 30, 22 | Jan 14, 25 | UMICORE GALVANOTECHNIK GMBH |
| 12188131 | Fastener member | Sep 06, 18 | Jan 07, 25 | YKK Corporation |
| 12071693 | Surface treatment method for copper or copper alloy, surface treatment liquid for sterilizing copper or copper alloy, and sterilization method using copper or copper alloy treated by said method | Nov 18, 22 | Aug 27, 24 | Independent Administrative Institution National Institute For Materials Science |
| 12049690 | Copper alloy plate and method for producing same | Jan 30, 20 | Jul 30, 24 | Dowa Metaltech Co., Ltd. |
| 12006563 | Corrosion resistant CuZn alloy | Sep 25, 18 | Jun 11, 24 | JX Metals Corporation |
| 11999859 | Preparation method of copper green rust pigment that can replace Hayeob pigment in traditional Dancheong | Aug 16, 23 | Jun 04, 24 | NATIONAL RESEARCH INSTITUTE OF CULTURAL HERITAGE |
| 11993828 | Apparatus and method for production of high purity copper-based alloys | Apr 04, 23 | May 28, 24 | DOGGONE INVESTMENT CO. LLC |
| 11987871 | Electrodes for laser chambers having extended lifetime | May 02, 17 | May 21, 24 | Cymer, LLC |
| 11959183 | Dilute alloy catalysts for electrochemical CO2 reduction | Oct 01, 20 | Apr 16, 24 | Lawrence Livermore National Security, LLC |
| 11926889 | Copper alloy plate, copper alloy plate with plating film, and methods for producing these | Aug 05, 20 | Mar 12, 24 | Mitsubishi Materials Corporation |
| 11905654 | Steel cord with a brass coating enriched with iron particles | Jan 27, 20 | Feb 20, 24 | NV Bekaert SA |
| 11814712 | Free-cutting copper alloy and method for producing free-cutting copper alloy | Mar 16, 20 | Nov 14, 23 | Mitsubishi Materials Corporation |
| 11807927 | Complex copper alloy including high-entropy alloy and method of manufacturing same | Oct 22, 19 | Nov 07, 23 | WONJINMETAL CO., LTD. |
| 11788173 | Free-cutting copper alloy, and manufacturing method of free-cutting copper alloy | Dec 23, 19 | Oct 17, 23 | Mitsubishi Materials Corporation |
| 11767577 | Copper alloy, use of a copper alloy, sanitary fitting and method for producing a sanitary fitting | Aug 13, 18 | Sep 26, 23 | LIXIL Corporation |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0059,630 | Components For Drinking Water Pipes, And Method For Manufacturing Same | Jan 12, 23 | Feb 20, 25 | Not available |
| 2025/0051,882 | COPPER ALLOY POWDER | Feb 09, 22 | Feb 13, 25 | Mitsubishi Materials Corporation |
| 2025/0018,487 | ELECTRODE WIRE | Sep 29, 22 | Jan 16, 25 | Not available |
| 2025/0019,797 | COPPER-ZINC ALLOY | Jul 12, 24 | Jan 16, 25 | Not available |
| 2024/0384,374 | CU-ZN-ALLOY | May 14, 24 | Nov 21, 24 | Not available |
| 2024/0384,466 | COBALT-FREE STEEL CORD-RUBBER COMPOSITE | May 17, 23 | Nov 21, 24 | Not available |
| 2024/0279,775 | APPARATUS AND METHOD FOR PRODUCTION OF HIGH PURITY COPPER-BASED ALLOYS | Oct 04, 23 | Aug 22, 24 | Not available |
| 2024/0279,835 | NEUTRAL pH COPPER PLATING SOLUTION FOR UNDERCUT REDUCTION | May 03, 24 | Aug 22, 24 | Texas Instruments Incorporated |
| 2024/0191,429 | STEEL CORD WITH A BRASS COATING ENRICHED WITH IRON PARTICLES | Jan 11, 24 | Jun 13, 24 | NV Bekaert SA |
| 2024/0093,332 | FREE-CUTTING COPPER ALLOY AND METHOD FOR MANUFACTURING FREE-CUTTING COPPER ALLOY | Nov 30, 20 | Mar 21, 24 | Mitsubishi Materials Corporation |
| 2024/0002,980 | BRASS ALLOY | Jul 14, 23 | Jan 04, 24 | Not available |
| 2023/0364,674 | METHOD FOR THE OBTAINING OF COST EFFECTIVE GEOMETRICALLY COMPLEX PIECES | Feb 22, 21 | Nov 16, 23 | ROVALMA, S.A. |
| 2023/0353,012 | BALANCE WEIGHT FOR ELECTRIC COMPRESSOR MOTOR AND MANUFACTURING METHOD THEREOF | Aug 10, 21 | Nov 02, 23 | Not available |
| 2023/0160,039 | WIRE ROD OF CU-ZN-SI BASED ALLOY OBTAINED BY UP-DRAWING CONTINUOUS CASTING | May 07, 21 | May 25, 23 | Mitsubishi Materials Corporation |
| 2023/0151,457 | Lead-Free Brass Alloy | Jan 02, 23 | May 18, 23 | AVIVA METALS, INC. |
| 2023/0055,850 | Continuously Cast Mg Brass | Sep 29, 22 | Feb 23, 23 | Not available |
| 2023/0042,851 | CONNECTION TERMINAL | Jan 12, 21 | Feb 09, 23 | Autonetworks Technologies, Ltd.; Sumitomo Wiring Systems, Ltd.; SUMITOMO ELECTRIC INDUSTRIES, LTD.; Mitsubishi Materials Corporation; |
| 2023/0037,406 | LEAD-FREE BRASS ALLOY AND METHOD OF USING THE LEAD-FREE BRASS ALLOY | Jul 21, 22 | Feb 09, 23 | Not available |
| 2023/0035,864 | LEAD-FREE AND ANTIMONY-FREE BRASS ALLOY | Jul 27, 22 | Feb 02, 23 | Not available |
| 2022/0316,028 | COPPER ALLOY PLATE, COPPER ALLOY PLATE WITH PLATING FILM, AND METHODS FOR PRODUCING THESE | Aug 05, 20 | Oct 06, 22 | Mitsubishi Materials Corporation |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 34 Months (last 2 years Issuances)
- 34 Months (last 5 years Issuances)