Class B30B : PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR
Subclass 1/34: Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure involving a plurality of plungers acting on the platen (gas operated B30B 1/38)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12214568 | Self contained compactor system | Aug 11, 22 | Feb 04, 25 | Marathon Equipment Company |
| 12109765 | Hydraulic press for fiber-reinforced plastic (FRP) product | Oct 29, 20 | Oct 08, 24 | JIANGSU YANGLI HYDRAULIC EQUIPMENT CO., LTD. |
| 12030272 | Piston-cylinder assembly of a hydraulic press | Jul 24, 20 | Jul 09, 24 | Vahterus Oy |
| 11993050 | Computerized rosin press | Jan 13, 23 | May 28, 24 | Not available |
| 11801653 | Special hydraulic press for bulging pressing forming of automobile axle housing and pressing forming method | Sep 07, 20 | Oct 31, 23 | Qinhuangdao Tongqiao Technology Co., Ltd.; Yanshan University; |
| 11554565 | Rail system and method for rosin collection | Apr 06, 21 | Jan 17, 23 | Not available |
| 11413836 | Self contained compactor system | Sep 01, 20 | Aug 16, 22 | Marathon Equipment Company |
| 11230076 | Device transferring apparatus | Jun 19, 19 | Jan 25, 22 | BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.; BOE Technology Group Co. Ltd.; |
| 11001025 | System and method for high-yield rosin extraction | Jan 15, 19 | May 11, 21 | Not available |
| 10786847 | Hydraulic forging press and method for controlling same | Oct 29, 15 | Sep 29, 20 | JAPAN AEROFORGE, LTD. |
| 10502241 | Linear actuator | Jan 10, 18 | Dec 10, 19 | Metrol Springs Limited |
| 10471673 | Baling press | May 01, 15 | Nov 12, 19 | Not available |
| 10438919 | Passive hydraulic load leveler for thermal compression bonding | Jun 28, 16 | Oct 08, 19 | Northrop Grumman Systems Corporation |
| 10384412 | Drive apparatus and method for a press machine | May 14, 14 | Aug 20, 19 | NIDEC VAMCO CORPORATION |
| 10160175 | Press machine and method for controlling slide of press machine | Jan 28, 14 | Dec 25, 18 | Aida Engineering Ltd. |
| 10081046 | Precision blanking press | Jul 06, 16 | Sep 25, 18 | Feintool International Holding AG |
| 10011084 | Cycle press | May 22, 12 | Jul 03, 18 | Siempelkamp Maschinen-und Anlagenbau GmbH & Co. KG |
| 9114584 | Press with improved maintenance | Mar 21, 12 | Aug 25, 15 | AREVA NC |
| 9003956 | Fluid cylinder mechanism | Jun 21, 11 | Apr 14, 15 | BARNES GROUP INC., HONDA MOTOR CO., LTD., |
| 8276509 | Method and apparatus for compression of lamination stack for a dynamoelectric machine | Nov 12, 10 | Oct 02, 12 | GENERAL ELECTRIC COMPANY |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0011,857 | ASSEMBLY AND METHOD FOR ON-SITE PRESSING OF HYDROELECTRIC GENERATOR FIELD POLES | Jul 09, 21 | Jan 12, 23 | Not available |
| 2021/0178,716 | SELF CONTAINED COMPACTOR SYSTEM | Sep 01, 20 | Jun 17, 21 | Not available |
| 2019/0118,500 | FORMING APPARATUS AND FORMING METHOD | Dec 21, 18 | Apr 25, 19 | Not available |
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