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DIFF Subclass Not Allocatable
G06D

DIGITAL FLUID-PRESSURE COMPUTING DEVICES

Introduced: September 1968

Description

G06D covers computing or calculating devices that employ digital fluid-pressure systems, utilizing pneumatic or hydraulic signals to perform logical operations and arithmetic computations. These devices represent an alternative computing technology to purely electronic systems, operating through the controlled flow and pressure of fluids (air or liquid) to create binary logic states and perform calculations. Typical applications include pneumatic logic controllers, hydraulic computing circuits, and fluid-based automation systems developed before electronic computing became dominant. This subclass excludes purely mechanical computing devices (G06C) and electronic digital computers (G06F).

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G06D 3/00 Computing devices characterised by the interrelationship of the functional units and having at least one moving part IPC+CPC Available in IPC and CPC
  • G06D 5/00 Computing devices characterised by the interrelationship of the functional units and having no moving parts IPC+CPC Available in IPC and CPC
  • G06D 7/00 Computing devices characterised by the combination of hydraulic or pneumatic functional elements with at least one other type of functional element IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class G06,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 66,669
  2. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,313
  3. MICROSOFT TECHNOLOGY LICENSING US 41,918
  4. GOOGLE US 32,969
  5. SGCC(STATE GRID CORPORATION OF CHINA) 30,822
  6. INTEL CORPORATION US 30,010
  7. TENCENT TECHNOLOGY (SHENZHEN) COMPANY 28,235
  8. HUAWEI TECHNOLOGIES COMPANY CN 26,079
  9. APPLE US 21,891
  10. HUAWEI TECHNOLOGIES COMPANY 20,505

Top Applicants (CPC)

Class G06,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 76,952
  2. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,841
  3. MICROSOFT TECHNOLOGY LICENSING US 44,778
  4. GOOGLE US 35,735
  5. INTEL CORPORATION US 32,087
  6. HUAWEI TECHNOLOGIES COMPANY CN 30,572
  7. TENCENT TECHNOLOGY (SHENZHEN) COMPANY 25,023
  8. APPLE US 23,482
  9. SGCC(STATE GRID CORPORATION OF CHINA) 22,548
  10. HUAWEI TECHNOLOGIES COMPANY 20,917