Angled water closet flange

Animal control gate for culverts and the like

Anti-freeze, anti-pollution drinking fountain

Anti-freeze, anti-pollution drinking fountain

Anti-freeze, anti-pollution drinking fountain

Anti-freeze, anti-pollution drinking fountain

Anti-siphon device for a flush valve

Anti-siphon trap with snorkel for a waterless urinal

Anti-splash device for fixtures

Anti-splashback urinal

Anti-wobble spray head for pull-out faucet

Antifreezing valve device for hydraulic and/or water storage...

Apparatus and method for connecting a saddle for a branch...

Apparatus and method for containing and regulating the...

Apparatus and method for controlling operation of storm...

Apparatus and method for draining a swimming pool cover

Apparatus for clearing a clogged drain

Apparatus for clearing drains

Apparatus for controlling flow of waste liquid into a...

Apparatus for dispensing a cleaning agent including dye...