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  1. Technology classes
  2. /G · Physics
  3. /G01 · Measuring
  4. /G01F · Measuring volume, volume flow, mass flow or liquid level
  5. /G01F 3/00 · Measuring the volume flow of fluids or fluent solid material wherein the
  6. /G01F 3/02 · Measuring the volume flow of fluids or fluent solid material wherein the
  7. /G01F 3/20 · Having flexible movable walls
  8. /G01F 3/22 · For gases
  9. /G01F 3/227 · Characterised by the means for transfer of membrane movement information to indicating
  10. /G01F 3/228
G01F 3/228

Using mechanical transmission means

Official title: {using mechanical transmission means}

G01F3/228 (Using mechanical transmission means) appears on 5 US grants and 2 published applications in this corpus.

Search patents in G01F

Where it sits

  1. GPhysics
  2. G01Measuring
  3. G01FMeasuring volume, volume flow, mass flow or liquid level
  4. G01F 3/00Measuring the volume flow of fluids or fluent solid material wherein the
  5. G01F 3/02Measuring the volume flow of fluids or fluent solid material wherein the
  6. G01F 3/20Having flexible movable walls
  7. G01F 3/22For gases
  8. G01F 3/227Characterised by the means for transfer of membrane movement information to indicating
  9. G01F 3/228Using mechanical transmission means
Granted patents
5
Published applications
2
Assignees
5
Inventors
12
Latest grant
11 Mar 2008

Filings by year

Granted patentsPublished applications
G01F 3/228: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
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199410
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200210
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200600
200701
200810
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201000
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201300
201400
201500
201600
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201901

19781988199820082019

By publication year. Applications have been published since 2001.

Recent patents

  • Flow rate measuring device11 Mar 2008US 7,340,950 B2Matsushita Electric Industrial Co., Ltd.
  • Cam drive for a temperature sensitive device30 Apr 2002US 6,378,366 B1G. Kromschroder Aktiengesellschaft
  • Adapter for connecting an encoder remote transmitter to a gas meter6 Jun 1995US 5,421,201 A
  • Measuring device7 Jun 1994US 5,317,927 AJohann Baptist Rombach GmbH & Co. KG
  • Unidirectional index drive for gas meters28 Mar 1978US 4,080,827 ARockwell International Corporation
  • Wide-range diaphragm gas meter26 Sep 2019US 2019/0293463 A1Chengdu Qinchuan Iot Technology Co., Ltd.
  • Flow Rate Measuring Device29 Nov 2007US 2007/0272031 A1Matsushita Electric Industrial Co., Ltd.

Most cited

By later US patents
  • Adapter for connecting an encoder remote transmitter to a gas meter5US 5,421,201 A1995
  • Unidirectional index drive for gas meters3US 4,080,827 ARockwell International Corporation · 1978
  • Measuring device1US 5,317,927 AJohann Baptist Rombach GmbH & Co. KG · 1994

Top assignees

Documents
  • MEMatsushita Electric Industrial Co., Ltd.2
  • CQChengdu Qinchuan Iot Technology Co., Ltd.1
  • GKG. Kromschroder Aktiengesellschaft1
  • JBJohann Baptist Rombach GmbH & Co. KG1
  • RIRockwell International Corporation1

Often classified with

  • G01DMeasuring not specially adapted for a specific variable1
  • Y10TTechnical subjects covered by former us classification1

Documents that also carry the other class.

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