| G | SK | PHYSICS |
| G06 | KL | COMPUTING; CALCULATING; COUNTING |
| G06D | UKL | DIGITAL FLUID-PRESSURE COMPUTING DEVICES |
| G06D 1/00 | HGR | Details, e.g. functional units (individual logic elements F15C; valves F16K) [1, 2006.01] |
| G06D 1/02 | UGR1 | | . | having at least one moving part, e.g. spool valve [1, 2006.01] |
|
| G06D 1/04 | UGR2 | | . . | Adding; Subtracting [1, 2006.01] |
|
| G06D 1/06 | UGR2 | | . . | Multiplying; Dividing [1, 2006.01] |
|
| G06D 1/08 | UGR1 | | . | having no moving parts [1, 2006.01] |
|
| G06D 1/10 | UGR2 | | . . | Adding; Subtracting [1, 2006.01] |
|
| G06D 1/12 | UGR2 | | . . | Multiplying; Dividing [1, 2006.01] |
|
| G06D 3/00 | HGR | Computing devices characterised by the interrelationship of the functional units and having at least one moving part [1, 2006.01] |
| G06D 5/00 | HGR | Computing devices characterised by the interrelationship of the functional units and having no moving parts [1, 2006.01] |
| G06D 7/00 | HGR | Computing devices characterised by the combination of hydraulic or pneumatic functional elements with at least one other type of functional element [1, 2006.01] |