Inventor

KNAPP ALFONS

DE70 patents

⚠️ This page may combine multiple inventors who share the name “KNAPP ALFONS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KNAPP ALFONS

MASCO CORP

Multiple jet shower with aeration device

Shower head with switching of spray mode

Mixer valve having a ball valve element housed in a cartridge

Compact cartridge for a single handle faucet valve

Flow rate regulator to reduce variation in temperature of water drawn from a mixing device

Showerhead for delivering an aerated water stream by use of the venturi effect

Thermostatic mixing valve with sequential manual control

Adjustable support for a shower

Flow control ports for a thermostatic mixing faucet

Thermostatic faucet mixing valve

Single handle mixing valve with an improved ball valve

Mixing valve having a ball valve cartridge and a lower insert member

Single handle mixing valve with flow control device for preventing hammer knock

Mixer valve having a ball valve element

Flow rate and temperature limiting mechanism for a mixing valve

Faucet

Faucet

Cartridge for faucets having small plates of hard material and a metallic covering

Mixing valve with valve plates provided with an attachment mechanism for the fixed plate to provide a compressive force

Mixing cartridge faucet with parts that can apply pressure to the valve plates of hard material

Mechanism to cover and protect the internal operating parts of faucets operated by a single bidirectional control lever

Silicon carbide valve elements

Faucet valve with noise reducing slots and blades in preclosing apertures

Single handle mixing valve with hydraulic responsive piston

Mixing valve with hydraulic responsive movable field

Process of manufacturing seal members having a low friction coefficient

Process of manufacturing seal members having a low friction coefficient

Single handle mixing valve incorporating a cartridge and a reversing piston

Faucet valve with anti-siphon back flow preventer

Faucet valve with anti-siphon back flow preventer

Thermostatic mixer with device for dynamic regulation of a water flow

Cartridge for a mixing valve and process for its instrumental assembly

Automatic valve for the stabilization of a thermostatic mixing device

Thermostatically controlled mixing valve

Mixer valve having a ball valve element and upper sealing gasket

Device for dampening vibration and noise in hydraulic installations

Small hand-held shower head for domestic sinks connected to a faucet

Faucet

Mixing valve

Mixing valve

KNAPP ALFONS

Faucet

Faucet

Thermostatic mixer for hydraulic systems

Faucet

GEVIPI AG

Mixer valve with hard material plaques, having a movable cartridge loaded by the water pressure

Mixer valve with hard material plaques, provided with prethrottling means

(unassigned)

Pair of hard material plates for a sequential mixing valve

MASCO GMBH

Single-handle mixer valve with a ball-type valving member

KNAPP FRANCESCO

Device for aerating a jet of water

MASCO

Device for dynamic control of a water flow