E03F   1/00		ޤϱӽ뤿ˡޤϻ	Methods, systems, or installations for draining-off sewage or storm water	22593
E03F   3/00		ϩ	Sewer pipe-line systems	1161
E03F   3/02		ϩޤϴɷϤ	Arrangement of sewer pipe-lines or pipe-line systems	8566
E03F   3/04		ä˲ѤѤɤޤϼդʥ󥯥꡼ȴɤ¤£ɤޤϴɼդ̣ƣ̡	Pipes or fittings specially adapted to sewers(manufacture of concrete tubes <b>B28</b>; pipes or pipe fittings in general <b>F16L</b>)	33559
E03F   3/06		ɤߤ뤿ˡޤ֡ʴɤθǤκƣ̣ˡΣ	Methods of, or installations for, laying sewer pipes(making pipes <u>in situ</u><b>F16L1/038</b>)	7178
E03F   5/00		ƻι¤	Sewerage structures	6667
E03F   5/02		ޥۡΩƹޤϤ¾θʰŪʤΣţģˡ㹦ѳ°ʪʥޥۡγȤޤϤʪţģ	Manhole shafts or other inspection chambers(in general <b>E02D29/12</b>);Snow-filling openings; Accessories(covers or frames for manholes or the like <b>E02D29/14</b>)	8856
E03F   5/04		ߤޤʪߤäޤϤ⤿ʤ¡ʣǣ	Gullies with or without odour seals or sediment traps	40499
E03F   5/042		ӿ夭礫εήۿн褹뤿μʤ	Arrangements of means against overflow of water, backing-up from the drain	2880
E03F   5/046		Фȶ˻ѤΡʣţƣͥ	adapted to be used with kerbs(<b>E03F5/06</b> takes precedence)	1329
E03F   5/06		¤褱ʻ	Gully gratings	22517
E03F   5/08		ƻδ	Ventilation of sewers	1265
E03F   5/10		ὸ塨ή̤Ĵ᤹뤿Ĵ塨α	Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins	31385
E03F   5/12		ӽи	Emergency outlets	463
E03F   5/14		夫αΤޤϸΤʬΥ֡㡥ߤޤϱťߤᡤ졼ޤϤ褱ʻҡʲߤ˻ȤΤޤϲߤӲξѤΤΣ£ġãơ	Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates(for use in sewage purification plants or both in sewage purification plants or in sewer systems <b>B01D</b>, <b>C02F</b>)	36960
E03F   5/16		Ƴӿαʪޤϥ꡼ʪʬΥ	Devices for separating oil, water, or grease from sewage in drains leading to the main sewer	2005
E03F   5/18		ǡ¤ޤѤ뤿οʪŪŪ˴ؤ֣ãơ	Tanks for disinfecting, neutralising, or cooling sewage(arrangements in tanks as to the biological or chemical aspect <b>C02F</b>)	951
E03F   5/20		եɡեե塤̴ޤϤʪϢѣţã	Siphon pipes or inverted siphons(for connections of baths, basins, or the like <b>E03C1/12</b>)	1339
E03F   5/22		徺뤿Υݥλѡʲ夭硤򤯤ߴμդ֣ţƣݥס߾夲֤켫Σƣ	Adaptations of pumping plants for lifting sewage(wheeled apparatus for emptying sewers or cesspools <b>E03F7/10</b>; pumps, pumping plants, <u>per se</u><b>F04</b>)	15351
E03F   5/24		夭ˤȯɻߤ뤿	Installations for neutralising explosions in sewers	125
E03F   5/26		򤫤ޤ	Installations for stirring-up sewage	1258
E03F   7/00		Ϥ뤿Τ¾λߤޤϴ㡥ĤޤɻߤޤɽѤΤΡΤ߽Ф	Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools	13200
E03F   7/02		֡ʰŪʤΣƣˡ	Shut-off devices(in general <b>F16K</b>)	3792
E03F   7/04		ήɻ	Valves for preventing return flow	1688
E03F   7/06		ͤߤޤϤ¾ưʪɻߤ	Devices for restraining rats or other animals	1267
E03F   7/08		夭ޤϱΤ߼Ѽƻ	Hand implements for emptying sewers or cesspools	447
E03F   7/10		夭ޤϱΤ߼Ѽդ	Wheeled apparatus for emptying sewers or cesspools	5817
E03F   7/12		ϩ˱äƸɥ饤֤Ǥ褦ˤ	Installations enabling inspection personnel to drive along sewer canals	645
E03F   9/00		ɤݤ뤿֤ޤϸꤵ줿㡥ˤʲϩ֤줿ʪߤᡤ졼褱ʻҤޤϤʪţƣɤݰ̡ɤ֣££	Arrangements or fixed installations for cleaning sewer pipes, e.g. by flushing(sediment traps, rakes, screens, or the like, arranged in sewer lines <b>E03F5/14</b>; cleaning pipes in general, devices for cleaning pipes <b>B08B9/02</b>)	11581
E03F  11/00		ʱΤ߽ФţƣħΣãơ	Cesspools(emptying cesspools <b>E03F7/00</b>; features relating to treatment of sewage <b>C02F</b>)	2278
