Description
Class B21J : FORGING; HAMMERING; PRESSING; RIVETING; FORGE FURNACES
Subclass 1/04: Preparing metal stock Shaping in the rough solely by forging or pressing
B21J 1/04
Sub-Class
Stats
- 25 US PATENTS IN FORCE
- 3 US APPLICATIONS PENDING
- 11 Total Patent Owners
- 84 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12083580 | Method for forging niobium-tungsten alloy forged ring | Dec 22, 21 | Sep 10, 24 | Xi'an Space Engine Company Limited |
| 11618070 | Mold and forging method | Oct 04, 21 | Apr 04, 23 | 501 Toyota Jidosha Kabushiki Kaisha |
| 11328891 | Rotating-anode bearing and a rotating anode for an x-ray tube and a method for manufacturing a rotating-anode bearing for an x-ray tube | Nov 21, 19 | May 10, 22 | MINEBEA MITSUMI INC. |
| 10953486 | Additive forging method for preparing homogenized forged pieces | Jul 18, 19 | Mar 23, 21 | INSTITUTE OF METAL RESEARCH ACADEMY OF SCIENCES |
| 10744547 | Method of producing press-formed product | May 17, 17 | Aug 18, 20 | 501 Nippon Steel Corporation |
| 10589339 | Method for manufacturing blisk, and blisk intermediate product | Apr 12, 18 | Mar 17, 20 | IHI CORPORATION; Endo Manufacturing Co., Ltd.; |
| 10493515 | Devices and methods for forming bow springs of one-piece centralizers | May 08, 15 | Dec 03, 19 | INNOVEX DOWNHOLE SOLUTIONS, INC. |
| 10413964 | Constructing-and-forging method for preparing homogenized forged pieces | Jul 01, 15 | Sep 17, 19 | INSTITUTE OF METAL RESEARCH CHINESE ACADEMY OF SCIENCES |
| 10337093 | Non-magnetic alloy forgings | Oct 13, 15 | Jul 02, 19 | ATI PROPERTIES LLC |
| 10029297 | Apparatus for forming a blank for finish forging for a forged crankshaft for a three-cylinder engine and method for manufacturing a forged crankshaft for a three-cylinder engine using the same | Feb 18, 15 | Jul 24, 18 | Nippon Steel & Sumitomo Metal Corporation |
| 10005121 | Apparatus for forming a blank for finish forging for a forged crankshaft for a 4-cylinder engine, and method for manufacturing a forged crankshaft for a 4-cylinder engine using the same | Feb 18, 15 | Jun 26, 18 | Nippon Steel & Sumitomo Metal Corporation |
| 9937394 | Iron type golf club head construction | Jun 30, 15 | Apr 10, 18 | Acushnet Company |
| 9707618 | Apparatus for forming a blank for finish forging for a forged crankshaft for a three-cylinder engine and method for manufacturing a forged crankshaft for a three-cylinder engine using the same | Dec 06, 13 | Jul 18, 17 | NIPPON STEEL & SUMITOMO METAL CORPORATION |
| 9630239 | Apparatus for forming a blank for finish forging for a forged crankshaft | Sep 03, 13 | Apr 25, 17 | NIPPON STEEL & SUMITOMO METAL CORPORATION |
| 9616486 | Process for making forged and machined components | Oct 03, 12 | Apr 11, 17 | Not available |
| 9592547 | Method of manufacturing annular molding | Dec 10, 12 | Mar 14, 17 | MITSUBISHI MATERIALS CORPORATION |
| 9574250 | Fabrication method for stepped forged material | Apr 24, 12 | Feb 21, 17 | HITACHI METALS, LTD. |
| 9427793 | Hot upset forging method | Jan 23, 13 | Aug 30, 16 | HITACHI METALS, LTD. |
| 9382612 | Lanthanum target for sputtering | Mar 17, 10 | Jul 05, 16 | JX NIPPON MINING & METALS CORPORATION |
| 9248488 | Bending die, and apparatus and method for manufacturing automotive suspension arm using the same | May 17, 11 | Feb 02, 16 | KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.), Kobe Steel, Ltd., |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0058,371 | STRUCTURE WITH AN INSERT AND ASSEMBLY METHOD | Aug 13, 24 | Feb 20, 25 | The Swatch Group Research and Development Ltd. |
| 2024/0207,922 | HOT FORMING A CAST FORGING INGOT | Mar 23, 22 | Jun 27, 24 | GFM GmbH |
| 2023/0166,321 | FORGING METHOD FOR HIGH-SILVER ALUMINUM ALLOY AND HIGH-SILVER ALUMINUM ALLOY FORGED PART | Nov 30, 22 | Jun 01, 23 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 35 Months (last 2 years Issuances)
- 35 Months (last 5 years Issuances)