Description
Class B21K : MAKING FORGED OR PRESSED PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS, WHEELS
Subclass 1/08: Making machine elements axles or shafts crankshafts
B21K 1/08
Sub-Class
Stats
- 56 US PATENTS IN FORCE
- 9 US APPLICATIONS PENDING
- 20 Total Patent Owners
- 167 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11311929 | Device for calibrating and lightening the weight of crankshafts | May 24, 16 | Apr 26, 22 | CIE Automotive, S.A. |
| 11253910 | Method for producing forged crankshaft | Jul 30, 18 | Feb 22, 22 | 501 Nippon Steel Corporation |
| 11203056 | Method and device for the impact treatment of transition radii of a crankshaft | May 24, 18 | Dec 21, 21 | MASCHINENFABRIK ALFING KESSLER GMBH |
| 11103916 | Swaging device and press | May 05, 16 | Aug 31, 21 | CIE Automotive, S.A. |
| 11045864 | Method for producing forged crankshaft | Dec 21, 16 | Jun 29, 21 | 501 Nippon Steel Corporation |
| 11045865 | Method for producing forged crankshaft | Jul 30, 18 | Jun 29, 21 | 501 Nippon Steel Corporation |
| 10927884 | Crankshaft and method of manufacturing a crankshaft | May 29, 18 | Feb 23, 21 | SCANIA CV AB (PUBL) |
| 10875083 | Apparatus and method for manufacturing forged crankshaft | May 19, 16 | Dec 29, 20 | 501 Nippon Steel Corporation |
| 10828693 | Apparatus for manufacturing forged crankshaft | May 13, 16 | Nov 10, 20 | 501 Nippon Steel Corporation |
| 10821527 | Method of manufacturing a crankshaft | Oct 03, 18 | Nov 03, 20 | GM Global Technology Operations LLC |
| 10799940 | Method for producing forged crankshaft | Aug 24, 17 | Oct 13, 20 | 501 Nippon Steel Corporation |
| 10654115 | Cutter, crankshaft miller and crankshaft manufacturing method | Dec 27, 17 | May 19, 20 | Komatsu NTC Ltd. |
| 10464120 | Method for producing forged crankshaft | Dec 10, 15 | Nov 05, 19 | 501 Nippon Steel Corporation |
| 10456828 | Method for producing forged crankshaft | Mar 18, 16 | Oct 29, 19 | 501 Nippon Steel Corporation |
| 10441995 | Method for producing forged crankshaft | Mar 31, 16 | Oct 15, 19 | 501 Nippon Steel Corporation |
| 10413965 | Method for producing forged crankshaft | Mar 31, 16 | Sep 17, 19 | 501 Nippon Steel Corporation |
| 10391546 | Method for producing forged crankshaft | Mar 23, 16 | Aug 27, 19 | 501 Nippon Steel Corporation |
| 10385912 | Crankshaft for reciprocating engine | Jul 14, 15 | Aug 20, 19 | 501 Nippon Steel Corporation |
| 10350671 | Method for producing a forged crankshaft | Jul 09, 15 | Jul 16, 19 | Nippon Steel & Sumitomo Metal Corporation |
| 10300523 | Crankshaft and method of strengthening shaft component | Mar 16, 15 | May 28, 19 | Honda Motor Co. Ltd. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0091,847 | CRANKSHAFT AND METHOD OF MANUFACTURING FORGED MATERIAL FOR CRANKSHAFT | Nov 02, 20 | Mar 21, 24 | Not available |
| 2020/0290,112 | METHOD FOR PRODUCING FORGED CRANKSHAFT | Aug 24, 17 | Sep 17, 20 | Nippon Steel & Sumitomo Metal Corporation |
| 2020/0101,521 | METHOD FOR PRODUCING FORGED CRANKSHAFT | Jun 11, 18 | Apr 02, 20 | Not available |
| 2020/0096,037 | CRANKSHAFT AND METHOD OF MANUFACTURING A CRANKSHAFT | May 29, 18 | Mar 26, 20 | Not available |
| 2020/0086,378 | METHOD FOR PRODUCING FORGED CRANKSHAFT | Oct 17, 17 | Mar 19, 20 | Not available |
| 2018/0169,742 | APPARATUS AND METHOD FOR MANUFACTURING FORGED CRANKSHAFT | May 19, 16 | Jun 21, 18 | Not available |
| 2018/0147,621 | APPARATUS FOR MANUFACTURING FORGED CRANKSHAFT | May 13, 16 | May 31, 18 | Not available |
| 2018/0043,422 | FRAME ASSEMBLY AND METHOD FOR MOUNTING A REAR MAIN SEAL TO A CRANKSHAFT OF A PORSCHE | Aug 11, 16 | Feb 15, 18 | Not available |
| 2017/0326,620 | METHOD OF MANUFACTURING CRANKSHAFT HAVING WEIGHT-REDUCING FORGED HOLES | Sep 14, 16 | Nov 16, 17 | HYUNDAI MOTOR COMPANY |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 33 Months (last 2 years Issuances)
- 33 Months (last 5 years Issuances)