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Kay Herbert, Natan E Parsons, Xiaoxiong Mo: Apparatus and method for controlling fluid flow. Arichell Technologies, Ivan D Zitkovsky, September 27, 2005: US06948697 (58 worldwide citation)

An actuator base, bobbin, and pole piece form a pocket for an armature that a flexible membrane encloses to form an armature chamber filled with an incompressible fluid. The membrane protects the armature from exposure to corrosive fluids flowing in a conduit. Conduit flow can be stopped by driving ...


2
Patrick W Truitt, Kay Herbert: Impeller and a pressure support system and method using such an impeller. Respironics, Michael W Haas, September 23, 2003: US06622724 (57 worldwide citation)

An impeller, a pressure generator using such an impeller, and a pressure support system and method using such a pressure generator to deliver a flow of breathing gas to a patient is disclosed. The impeller enables a pressure of a flow of breathing gas delivered by a pressure support system to a pati ...


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Natan E Parsons, Fatih Guler, Kay Herbert, Xiaoxiong Mo, Gregory P Greene: Electronic faucets for long-term operation. Arichell Technologies, Ivan David Zitkovsky, July 4, 2006: US07069941 (39 worldwide citation)

An electronic faucet (10) mounted on a countertop (12) includes a housing, at least one fluid inlet line (24a, 24b) extending into the housing, a fluid outlet (46) from the housing, a solenoid (142, 143) for operating a valve controlling the fluid flow between at least one inlet line and the outlet, ...


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Natan E Parsons, Fatih Guler, Kay Herbert: Leak Detector. Arichell Technologies, Ivan David Zitkovsky, June 10, 2008: US07383721 (36 worldwide citation)

A leak detector for detecting flow of at least partially conductive fluid includes two electrodes and an electrical circuit. A valve device including an actuator is constructed to receive open and close signals for opening and closing the valve device between an input port and an outer port. The two ...


6
Robert A Sanderson, Albert E Sanderson, Kay Herbert: Piston engine assembly. R Sanderson Management, Fish & Richardson PC, June 4, 2002: US06397794 (35 worldwide citation)

A variable compression piston assembly includes a plurality of pistons, a transition arm coupled to each of the pistons, and a rotating member mounted for pivoting movement to slide along an axis of the drive member. Movement of the rotating member relative to the drive member changes the compressio ...


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Martin E Marcichow, Natan E Parsons, Fatih Guler, Kay Herbert: Enclosures for automatic bathroom flushers. Arichell Technologies, Sloan Valve Company, Ivan David Zitkovsky, March 13, 2007: US07188822 (34 worldwide citation)

A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the outlet. The valve assembly includes ...


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Robert A Sanderson, Albert E Sanderson, Kay Herbert: Piston engine assembly. R Sanderson Management, Fish & Richardson P C, September 10, 2002: US06446587 (34 worldwide citation)

A variable compression piston assembly includes a plurality of pistons, a transition arm coupled to each of the pistons, and a rotating member mounted for pivoting movement to slide along an axis of the drive member. Movement of the rotating member relative to the drive member changes the compressio ...


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Robert A Sanderson, Albert E Sanderson, Kay Herbert: Piston engine balancing. R Sanderson Management, Fish & Richardson P C, October 8, 2002: US06460450 (32 worldwide citation)

A piston assembly includes first and second pistons, a transition arm coupled to each of the pistons, and a rotating member rotating in a first direction about a first axis. The transition arm includes a drive member coupled to the rotating member off-axis of the rotating member. A first counterbala ...


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Natan E Parsons, Fatih Guler, Kay Herbert, John F Bragg, Michael D Cattafe: Automatic bathroom flushers with modular design. Arichell Technologies, Ivan David Zitkovsky, February 5, 2008: US07325781 (29 worldwide citation)

A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the outlet. The valve assembly includes ...