Selectively switched shading for daylighting and the like

Self clamping temporary foam dam for protecting water heater ele

Self cleaning indoor barbecue griller

Self concentrating combustion grate for pellet fueled stoves

Self contained pond heater

Self contained solar heating supplemental unit

Self extinguishing fire pit

Self extinguishing, portable cooking unit having folding fuel tr

Self heating food receptacle

Self heating individual meal package

Self heating receptacle

Self loading wood burning stove

Self powered furnace

Self pumped solar energy collection system

Self-adjusting drive shaft for barbecue grid

Self-adjusting telescoping concentric flue assembly

Self-aligning solar collector

Self-ballasting solar collector

Self-clean oven

Self-cleaning air filter system