Christopher Adam McLeod

Blockable connector between sink drain and drainage stack.

Flat drain for showers

Integrating Machine- and Human-Interpretable Symbols

Flat trap

Cup and saucer thinset surface drain

Floor drain with a hidden thread clamp.

Clip on cover for sink traps

Removable trap with latch clamps

Raceway ratchet limiter

Fast flow thread in lavatory drain

Threaded post with negative ribs

Surface mount with limits to four degrees of freedom.

Cats eye restricted actuator with a bihemispherical seal actuating a plunger guided by a removable threaded basket guide.

Connector for bathtub tailpipe to drain pipe

Removable trap for lavatory sinks

Bridge drain for showers

Water diverter fitting.

Cantilever Drain Top.

Tracking Drain Closure Device that Rotates between Open and Closed.

Connector for bathtub tailpipe to drain pipe

Thread-in drain for lavatories.

Drain closure device

slide-on groove and flange faceplate- tieplate cover for an electrical outlet.

Overflow device assembly with sliding faceplate

Greywater diversion and hair catcher assembly for baths that is comprised of the novel assembly of a hair catcher mesh cup, a two-port valve, a direct-drain waste-overflow assembly, and an indirect-drain waste-overflow assembly

WASTE WATER DRAIN HEAT EXCHANGER PREHEATING COLD WATER SUPPLY TO A THERMOSTATIC CONTROL VALVE

Discontinuous helical auger contained within a heated vessel filled with sawdust for the purpose of high efficiency breakdown of toilet and other organic wastes