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  1. Technology classes
  2. /F · Mechanical engineering
  3. /F04 · Positive - displacement machines for liquids
  4. /F04B · Positive-displacement machines for liquids
  5. /F04B 27/00 · Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or
  6. /F04B 27/04 · Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or
  7. /F04B 27/053 · With an actuating element at the inner ends of the cylinders
  8. /F04B 27/0531
F04B 27/0531

With cam-actuated distribution members

Official title: {with cam-actuated distribution members}

F04B27/0531 (With cam-actuated distribution members) appears on 3 US grants and 6 published applications in this corpus.

Search patents in F04B

Where it sits

  1. FMechanical engineering
  2. F04Positive - displacement machines for liquids
  3. F04BPositive-displacement machines for liquids
  4. F04B 27/00Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or
  5. F04B 27/04Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or
  6. F04B 27/053With an actuating element at the inner ends of the cylinders
  7. F04B 27/0531With cam-actuated distribution members
  8. 1subgroup, listed below
Granted patents
3
Published applications
6
Assignees
9
Inventors
11
Latest grant
18 May 2021

Filings by year

Granted patentsPublished applications
F04B 27/0531: granted patents and published applications per publication year
YearGranted patentsPublished applications
200901
201000
201101
201210
201300
201400
201500
201600
201700
201800
201902
202010
202110
202200
202301
202400
202500
202601

200920192026

By publication year. 2026 runs to 8 Oct.

Subgroups

Granted patents
  • F04B 27/0533Each machine piston being provided with channels, which are coacting with the0

Recent patents

  • Tank state-detecting breathing air charger18 May 2021US 11,009,186 B2Msl Compressor Co., Ltd.
  • Thermally compensated bore guide systems and methods8 Dec 2020US 10,859,031 B2Ai Alpine US Bidco Inc
  • Air discharging apparatus and image forming apparatus20 Mar 2012US 8,139,973 B2Ricoh Company, Ltd.
  • Radial piston compressor10 Sep 2026US 2026/0266276 A1thyssenkrupp AG
  • Reciprocating piston compressor for refrigerant26 Oct 2023US 2023/0341156 A1BITZER Kuehlmaschinenbau GmbH
  • Thermally compensated bore guide systems and methods12 Sep 2019US 2019/0277221 A1General Electric Company
  • Tank state-detecting breathing air charger4 Jul 2019US 2019/0203885 A1Msl Compressor Co., Ltd.
  • Compressor, in particular a radial piston compressor for carbon dioxide as a refrigerant10 Nov 2011US 2011/0274575 A1Gea Bock GmbH

Most cited

By later US patents
  • Tank state-detecting breathing air charger9US 11,009,186 B2Msl Compressor Co., Ltd. · 2021
  • Air discharging apparatus and image forming apparatus3US 8,139,973 B2Ricoh Company, Ltd. · 2012

Top assignees

Documents
  • MCMsl Compressor Co., Ltd.2
  • Ricoh Company, Ltd.2
  • AAAi Alpine US Bidco Inc1
  • BKBITZER Kuehlmaschinenbau GmbH1
  • GBGea Bock GmbH1
  • GEGeneral Electric Company1
  • OEObrist Engineering GmbH1
  • thyssenkrupp AG1
  • TDthyssenkrupp Dynamic Components GmbH1

Often classified with

  • A62BDevices, apparatus or methods for life-saving2
  • B01DSeparation2
  • F01LCyclically operating valves for machines or engines2
  • F02FCylinders, pistons or casings, for combustion engines2
  • F16KValves2
  • F17CVessels for containing or storing compressed, liquefied or solidified gases2
  • F25BRefrigeration machines, plants or systems2
  • F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids1

Documents that also carry the other class.

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