Description
Class B21H : MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
Subclass 1/18: Making articles shaped as bodies of revolution (rolling tubes B21B 17/00-B21B 25/00) cylinders, e.g. rolled transversely
B21H 1/18
Sub-Class
Stats
- 24 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 12 Total Patent Owners
- 73 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12055203 | Cams for pipe grooving device | Jun 13, 22 | Aug 06, 24 | Victaulic Company |
| 11779999 | Method for producing a connecting element, connecting element, and rolling tool | Nov 19, 18 | Oct 10, 23 | Arnold Umformtechnik GmbH & Co. KG |
| 11383285 | Pipe grooving device | Feb 18, 21 | Jul 12, 22 | Victaulic Company |
| 11098827 | Tubular structure and manufacturing method therefor | Jan 29, 16 | Aug 24, 21 | 501 Nippon Steel Corporation |
| 11033950 | Method for producing a gas or liquid tank | Nov 28, 16 | Jun 15, 21 | LEIFELD METAL SPINNING AG |
| 10960450 | Pipe grooving device | Dec 10, 18 | Mar 30, 21 | Victaulic Company |
| 10634184 | Method for producing a profiled hollow shaft for a telescopic steering shaft and telescopic steering shaft | Sep 22, 15 | Apr 28, 20 | THYSSENKRUPP AG |
| 10279440 | Precision forming method of high-efficiency and near-net hollow valve blank of engine | May 11, 15 | May 07, 19 | HUAIJI DENGYUN AUTO-PARTS (HOLDING) CO., LTD. |
| 10193291 | Rotary crimping tool assembly | Jan 22, 15 | Jan 29, 19 | TE Connectivity Corporation |
| 9381557 | Method of forming integrated drive shaft and yoke | Mar 18, 13 | Jul 05, 16 | Szuba Consulting, Inc., VALUE EXTRACTION LLC, |
| 9254516 | Method of forming anchors | Aug 10, 12 | Feb 09, 16 | HILTI AKTIENGESELLSCHAFT |
| 9205472 | Machine for deep-rolling axles | Jul 01, 10 | Dec 08, 15 | HEGENSCHEIDT-MFD GMBH & CO. KG |
| 9097471 | Method of producing a heat exchanger tube | Aug 27, 14 | Aug 04, 15 | WIELAND-WERKE AG |
| 9044797 | Device for producing a circularly cylindrical body | Aug 28, 14 | Jun 02, 15 | Not available |
| 9032770 | Stamping with rolling method and a device for implementing same | Oct 30, 09 | May 19, 15 | Not available |
| 8899308 | Heat exchanger tube and method for producing it | Nov 20, 09 | Dec 02, 14 | WIELAND-WERKE AG |
| 8887396 | Manufacturing method of roller for manufacturing patterned retarder film | May 30, 12 | Nov 18, 14 | BENQ MATERIALS CORPORATION |
| 8863429 | Device for producing a gun barrel and a gun barrel | Oct 11, 13 | Oct 21, 14 | Carrel Innovations Oy |
| 8850861 | Method and device for producing a circularly cylindrical body, which consists of deformable material, with internally disposed helical recesses | Jun 18, 09 | Oct 07, 14 | Not available |
| 8453484 | Manufacture of a shaft/hub connection | Jul 21, 05 | Jun 04, 13 | GKN DRIVELINE INTERNATIONAL GMBH |
Recent Publications
Not Available
Top Owners in This Subclass
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 43 Months (last 2 years Issuances)
- 43 Months (last 5 years Issuances)