Field briefing
F04B · Positive-displacement machines for liquids
Positive-displacement machines for liquids; pumps. Patents classified in CPC F04B, part of Engines, machines, heating and lighting.
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Newest patents in F04B · Positive-displacement machines for liquids
8 patents imported from the European Patent Office; newest published 2026-09-15; most active companies: Agilent Technologies Inc, Bosch GmbH Robert, Daikin Ind Ltd.
- 包括用于抽吸处理工位待抽吸容积的多个压力源的转盘式机器 CN122751175A, published 2026-09-15
- Elektrisches Schaltventil, Kraftstoff-Hochdruckpumpe mit elektrischem Schaltventil sowie Verfahren zur Herstellung eines elektrische Schaltventils DE102025108667A1, published 2026-09-10
- DRIVE CIRCUIT, ACTUATOR, AND PUMP WO2026177091A1, published 2026-08-27
- 一种电容注液转盘抽真空装置及方法 CN122630364A, published 2026-08-25
- PUMPING SYSTEM INCLUDING AN ION PUMP AND METHOD FOR OPERATING A PUMPING SYSTEM INCLUDING AN ION PUMP US20260245846A1, published 2026-08-20
- 一种新型集成结构的电动泵控制器 CN122576745A, published 2026-08-14
- Refrigeration device CN121794531A, published 2026-04-03
- City emergency rescue and disaster relief removes pump station CN204921130U, published 2015-12-30
Most active companies
Counted over the newest 8 imported patents in this industry.
- Agilent Technologies Inc 1 patent
- Bosch GmbH Robert 1 patent
- Daikin Ind Ltd 1 patent
- Minebea Mitsumi Inc 1 patent
- Shengzhou Huanuo Machinery Technology Co Ltd 1 patent
- 兴创嘉科技（惠州）有限公司 1 patent
- 北京航辰机载智能系统科技有限公司 1 patent
- 西得乐集团 1 patent