|  | F |
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

ENGINEERING IN GENERAL

|  | F17 |
STORING OR DISTRIBUTING GASES OR LIQUIDS (water supply Fulltext... Hierarchy... Expanded...E03B)

|  | F17B |
GAS-HOLDERS OF VARIABLE CAPACITY (self-acting gas cut-off devices Fulltext... Hierarchy... Expanded...A47J 27/62, Fulltext... Hierarchy... Expanded...G05D; flame traps Fulltext... Hierarchy... Expanded...A62C 4/00; gas mixers Fulltext... Hierarchy... Expanded...B01F, Fulltext... Hierarchy... Expanded...F16K 11/00, Fulltext... Hierarchy... Expanded...G05D 11/00; construction or assembling of bulk storage containers employing civil-engineering techniques Fulltext... Hierarchy... Expanded...E04H 7/00; gas compressors Fulltext... Hierarchy... Expanded...F04; valves Fulltext... Hierarchy... Expanded...F16K; damping pulsations in valves or pipes Fulltext... Hierarchy... Expanded...F16K, Fulltext... Hierarchy... Expanded...F16L; pipes Fulltext... Hierarchy... Expanded...F16L; stopping devices for gas mains Fulltext... Hierarchy... Expanded...F16L 55/10; vessels adapted for storing compressed, liquefied, or solidified gases Fulltext... Hierarchy... Expanded...F17C; gas distribution systems Fulltext... Hierarchy... Expanded...F17D 1/04; detecting leakage Fulltext... Hierarchy... Expanded...F17D 5/02, Fulltext... Hierarchy... Expanded...G01M; supervising or alarm devices Fulltext... Hierarchy... Expanded...F17D 5/02, Fulltext... Hierarchy... Expanded...G08B; control of combustion in burners Fulltext... Hierarchy... Expanded...F23N; gas flow or pressure regulators Fulltext... Hierarchy... Expanded...G05D)

|  | F17C |
VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES (storing fluids in natural or artificial cavities or chambers in the earth Fulltext... Hierarchy... Expanded...B65G 5/00; construction or assembling of bulk storage containers employing civil-engineering techniques Fulltext... Hierarchy... Expanded...E04H 7/00; variable-capacity gas-holders Fulltext... Hierarchy... Expanded...F17B; liquefaction or refrigeration machines, plants, or systems Fulltext... Hierarchy... Expanded...F25)

|  | F17C |
Subclass index
VESSELS UNDER PRESSURE; VESSELS NOT UNDER PRESSURE; DETAILS | 1/00; 3/00; 13/00
FILLING; DISCHARGING | 5/00, 6/00; 7/00, 9/00
USE OF GAS-SOLVENTS OR GAS-ABSORBENTS | 11/00

|  | F17D |
PIPE-LINE SYSTEMS; PIPE-LINES (pumps or compressors Fulltext... Hierarchy... Expanded...F04; fluid dynamics Fulltext... Hierarchy... Expanded...F15D; valves or the like Fulltext... Hierarchy... Expanded...F16K; pipes, laying pipes, supports, joints, branches, repairing, work on the entire line, accessories Fulltext... Hierarchy... Expanded...F16L; steam traps or the like Fulltext... Hierarchy... Expanded...F16T; fluid-pressure electric cables Fulltext... Hierarchy... Expanded...H01B 9/06)

|  | F17D |
Note(s) In this subclass, the following expression is used with the meaning indicated: "pipe-line systems" means systems described in flow sheets as well as arrangements of co-operating elements, the elements per se being covered by the relevant subclasses.