Description
Class B21K : MAKING FORGED OR PRESSED PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS, WHEELS
Subclass 1/10: Making machine elements axles or shafts of cylindrical form
B21K 1/10
Sub-Class
Stats
- 39 US PATENTS IN FORCE
- 3 US APPLICATIONS PENDING
- 18 Total Patent Owners
- 178 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12196260 | Treatment machine, drive unit for a treatment machine and use of the treatment machine | Dec 14, 20 | Jan 14, 25 | Singulus Technologies AG |
| 11541450 | Shaft for steering device, method of manufacturing shaft for steering device, and electric power steering device | Feb 13, 18 | Jan 03, 23 | NSK LTD. |
| 11441668 | Motor device and method for manufacturing same | Oct 08, 19 | Sep 13, 22 | Mitsuba Corporation |
| 11400511 | Method for producing a component having a core portion which consists of steel | Aug 31, 16 | Aug 02, 22 | Deutsche Edelstahlwerke Specialty Steel GmbH & Co. |
| 10835982 | Machine component and method for producing the same | Nov 18, 14 | Nov 17, 20 | Komatsu Ltd. |
| 10710147 | Method of making an axle | Apr 25, 18 | Jul 14, 20 | ArvinMeritor Technology, LLC |
| 10316384 | Hollow forging process for main shaft of large wind turbine generator | Jan 09, 17 | Jun 11, 19 | Jiangyin Zenkung Forging Co., Ltd. |
| 9574250 | Fabrication method for stepped forged material | Apr 24, 12 | Feb 21, 17 | HITACHI METALS, LTD. |
| 9311955 | Adhesive height setting | Jan 02, 14 | Apr 12, 16 | SEAGATE TECHNOLOGY LLC |
| 9133533 | Axle from a seamless tube for railroad vehicles, and a process for manufacturing an axle from a seamless steel tube for railroad vehicles | Dec 01, 08 | Sep 15, 15 | V&M do Brasil S.A. |
| 8881520 | Linear roller bearing assembly and sub-assembly and reciprocating machinery incorporating the same | Jun 13, 12 | Nov 11, 14 | Not available |
| 8826541 | Method for manufacturing a fluid bearing device | Nov 30, 11 | Sep 09, 14 | NTN CORPORATION |
| 8726515 | Oil-impregnated sintered bearing and method of producing the same | Nov 14, 12 | May 20, 14 | DIAMET CORPORATION |
| 8641860 | Adhesive height setting | Feb 06, 09 | Feb 04, 14 | SEAGATE TECHNOLOGY LLC |
| 8578611 | Apparatus for manufacturing hydro dynamic bearing device | Jul 29, 11 | Nov 12, 13 | NTN CORPORATION |
| 8020301 | Method for manufacturing hydro dynamic bearing device | Mar 10, 06 | Sep 20, 11 | NTN CORPORATION |
| 7954241 | Self-lubricating bearing and its manufacturing process | Jul 03, 07 | Jun 07, 11 | Not available |
| 7941926 | Apparatus for manufacturing hydro dynamic bearing device method | Jul 08, 09 | May 17, 11 | NTN CORPORATION |
| 7866047 | Sleeve-unit manufacturing method | Mar 17, 06 | Jan 11, 11 | NIDEC CORPORATION |
| 7814659 | Method of manufacturing fluid dynamic bearing assembly | May 12, 06 | Oct 19, 10 | NIDEC CORPORATION |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0108,498 | IMPACT TOOL, SPINDLE, AND SPINDLE MANUFACTURING METHOD | Oct 01, 24 | Apr 03, 25 | Not available |
| 2021/0162,487 | METHOD OF MANUFACTURING HYDRAULIC CYLINDER ROD | Feb 08, 21 | Jun 03, 21 | SHPAC CO., LTD |
| 2019/0329,316 | ONE PIECE AXLE AND METHOD OF MANUFACTURE | Apr 25, 18 | Oct 31, 19 | ArvinMeritor Technology, LLC |
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
- 39 Months (last 2 years Issuances)
- 39 Months (last 5 years Issuances)