Feigin & Fridman, LLC has obtained the following 36 United States patents in Design — Plumbing, Heating & Sanitary for our clients. Click any patent for full details, drawings, and the issued PDF, or search the full patent database.
Expanding infant bathtub
Air vent car mount for electronic devices
Distillation unit with magnetic spinner
Short distillation head with integrated cooling spiral
Distillation unit with magnetic spinner
Distillation tube with fraction collector
Short distillation head with integrated cooling jacket
Short distillation head with integrated cooling jacket
Vacuum distillation hose
End cap adapter for a glass hose
Laminar flow distribution adapter
Short distillation head
Short distillation head comprising a vertical tube filled with a key
Cold trap
Distillation head
Distillation head
Distillation head
Distillation chamber
Roof gutter cover
Roof gutter cover
Distillation chamber
Distillation key
Distribution adapter
Distillation chamber
Straight path distillation head
Bent distillation head
Toilet seat with handle
Distillation key
Straight path distillation head
Bent distillation head
Oil filter with pull tab for draining residual oil
Reversibly installable shower enclosure
Shower enclosure
Enclosure for a bathtub
Shower enclosure
Hose bib faucet