Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Main Group
F04C 11/00

Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type (combinations of such pumps specially adapted for elastic fluids F04C23/00); Pumping installations (F04C13/00 takes precedence; specially adapted for elastic fluids F04C23/00; fluid gearing F16H)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations

CPC: Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type (combinations of such pumps specially adapted for elastic fluids F04C23/00); Pumping installations (F04C13/00 takes precedence; specially adapted for elastic fluids F04C23/00; fluid gearing F16H)

Full Title

Full titles differ between systems:

IPC:

Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations

CPC:

Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type (combinations of such pumps specially adapted for elastic fluids F04C23/00); Pumping installations (F04C13/00 takes precedence; specially adapted for elastic fluids F04C23/00; fluid gearing F16H)

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Child Classifications

Navigate with arrow keys, Enter to open