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  1. Technology classes
  2. /F · Mechanical engineering
  3. /F04 · Positive - displacement machines for liquids
  4. /F04C · Rotary-piston, or oscillating-piston, positive-displacement machines for liquids
  5. /F04C 2210/00 · Fluid
  6. /F04C 2210/12 · Auxiliary
  7. /F04C 2210/128
F04C 2210/128

Water

F04C2210/128 (Water) appears on 2 US grants and 4 published applications in this corpus.

Search patents in F04C

Where it sits

  1. FMechanical engineering
  2. F04Positive - displacement machines for liquids
  3. F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids
  4. F04C 2210/00Fluid
  5. F04C 2210/12Auxiliary
  6. F04C 2210/128Water
Granted patents
2
Published applications
4
Assignees
2
Inventors
11
Latest grant
3 Dec 2024

Filings by year

Granted patentsPublished applications
F04C 2210/128: granted patents and published applications per publication year
YearGranted patentsPublished applications
200501
200600
200700
200800
200900
201001
201100
201200
201310
201400
201500
201600
201700
201800
201900
202000
202100
202201
202301
202410

200520152024

By publication year.

Recent patents

  • Fluid transfer apparatus3 Dec 2024US 12,158,149 B2Korea Atomic Energy Research Institute
  • Air compressor of water injection type31 Dec 2013US 8,616,856 B2Hitachi Industrial Equipment Systems Co., Ltd.
  • Liquid blade pump7 Sep 2023US 2023/0279875 A1
  • Fluid transfer apparatus28 Apr 2022US 2022/0127997 A1Korea Atomic Energy Research Institute
  • Air Compressor of Water Injection Type16 Sep 2010US 2010/0233004 A1Hitachi Industrial Equipment Systems Co., Ltd.
  • Rotary fluid machinery24 Mar 2005US 2005/0063855 A1

Most cited

By later US patents
  • Air compressor of water injection type9US 8,616,856 B2Hitachi Industrial Equipment Systems Co., Ltd. · 2013

Top assignees

Documents
  • HIHitachi Industrial Equipment Systems Co., Ltd.2
  • KAKorea Atomic Energy Research Institute2

Often classified with

  • F01CRotary-piston or oscillating-piston machines or engines3
  • F02BInternal-combustion piston engines3
  • F04BPositive-displacement machines for liquids2
  • F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to2
  • F01BMachines or engines, in general or of positive-displacement type1
  • F02GHot gas or combustion-product positive-displacement engine plants1
  • F04FPumping of fluid by direct contact of another fluid or by using1
  • Y02TLow-carbon transport1

Documents that also carry the other class.

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