DONALD B NELSON
Broker in Worcester, MA

6341624, Jan 29, 2002

Jul 2, 1999

09/346792

Donald R. Nelson - Worcester MA
Robert L. Russell - West Boylston MA

Goddard Valve Corporation - Worcester MA

F16K 1110

137877, 251285

A valve for cryogenic fluids that divides incoming fluid into separate outlets. The valve prevents the inadvertent leakage or reverse flow of fluid through the valve using a swing-type check valve, and may also remove undesirable debris from the fluid. The valve comprises a valve housing and at least one valve actuator. The housing includes an inlet and at least one outlet, and has an inlet chamber and at least one outlet chamber that are adapted to receive fluid from the inlet and deliver the fluid to the outlet. The inlet chamber and the outlet chamber are fluidly coupled by a valve aperture that is defined by a valve seat. The valve actuator cooperates with the valve seat to seal the inlet chamber from the outlet chamber. In one embodiment, the valve includes a check valve that is pivotally mounted in the valve housing to prevent fluid flow from the valve housing through the inlet. In another embodiment, the valve includes a pair of outlets, a pair of outlet chambers and a pair of valve actuators.

4911202, Mar 27, 1990

Mar 14, 1988

7/167735

Donald R. Nelson - Worcester MA

Goddard Industries, Inc. - Worcester MA

F16K 4104

137595

A hot and cold water control valve having a body for supporting first and second liquid conduits having respective first and second valve closure members. Each of the valve closure members has an actuating member controlled by a handle that is secured to and for operation of the actuating member of the first and second valve closure members. The handle is adapted to be moved between open and closed positions.

5934327, Aug 10, 1999

Nov 26, 1997

8/978470

Donald R. Nelson - Worcester MA
Robert L. Russell - West Boylston MA

Goddard Valve Corporation - Worcester MA

F16K 1122

137883

A valve for cryogenic fluids that divides incoming fluid into separate outlets. The valve prevents the inadvertent leakage or reverse flow of fluid through the valve using a swing-type check valve, and may also remove undesirable debris from the fluid. The valve comprises a valve housing and at least one valve actuator. The housing includes an inlet and at least one outlet, and has an inlet chamber and at least one outlet chamber that are adapted to receive fluid from the inlet and deliver the fluid to the outlet. The inlet chamber and the outlet chamber are fluidly coupled by a valve aperture that is defined by a valve seat. The valve actuator cooperates with the valve seat to seal the inlet chamber from the outlet chamber. In one embodiment, the valve includes a check valve that is pivotally mounted in the valve housing to prevent fluid flow from the valve housing through the inlet. In another embodiment, the valve includes a pair of outlets, a pair of outlet chambers and a pair of valve actuators.

6167902, Jan 2, 2001

Oct 27, 1998

9/182104

Donald R. Nelson - Worcester MA

F16K 3150, F16K 4104

1373154

An improved bottom entry cryogenic valve, with single piece cast body, that provides for easy and efficient removal of the valve stem and valve seat components without removing the valve body from the fluid circuit. The valve body forms the housing and has a top end, a main body section and a bottom entry end. The main body section has fluid entry and fluid exit openings. A bonnet nut is attached to the valve body top end. A body ring is attached at the bottom entry end. A valve stem extends axially through the bonnet nut, with a top portion exposed with a hand wheel attached thereon. The valve stern has a mid portion, a flange portion and a threaded bottom end located in the main body section of the valve body. The valve stem mid portion supports a valve seal member and a seal nut/bearing. The valve seal member is to prevent fluid from flowing through the valve body when the valve is in a closed position.

4182372, Jan 8, 1980

Jun 9, 1978

5/913951

Hartley F. Grandin - Northboro MA
Donald R. Nelson - Worcester MA

Goddard Industries, Inc. - Worcester MA

F16K 712, F16K 1100

1376254

The valve is of the type that includes a single operating handle for controlling both the proportioning between hot and cold water flow and also the volume of flow. The valve comprises a body having hot and cold inlet passages and an outlet duct, a ball-shaped control member, a rigid stationary liner receiving the control member and having position limiting tabs associated therewith, and a resilient diaphragm disposed intermediate the liner and valve seat of the body. The liner has a pair of apertures for accommodating a corresponding pair of nipples on the diaphragm which are displaceable toward and away from the inlet passages for controlling the flow of fluid therefrom. The opening of the inlet passages into the seat is constructed to provide a uniform load about the passages for the diagram in the seat.

4844411, Jul 4, 1989

Mar 14, 1988

7/167734

Donald R. Nelson - Worcester MA

Goddard Industries, Inc. - Worcester MA

F16K 4104

251214

A cryogenic valve having a valve seat in the valve body adapted to be closed by a conical seat disc. The seat disc is supported for vertical movement in a seat holder which is carried by an elongated stem that extends through the valve bonnet. The stem and bonnet are sealed by a series of compressed Teflon and brass rings concentric with and between the upper end of the valve bonnet and the stem. The rings are axially compressed between a flange formed in the valve bonnet and a sleeve follower which in turn is secured by a packing nut. The Teflon rings have holes therethrough and/or roughened surfaces to provide improved sealing.

2003001, Jan 23, 2003

Jul 23, 2001

09/911368

Donald Nelson - Worcester MA, US
Andre Gaudet - Gardner MA, US

F16K015/00

137/541000

A poppet valve is designed in a manner that results in relatively low failure rates and/or operates with relatively little or no degradation in performance. The poppet valve may include one or more features, each independently or in combination, contributing to such high service life and/or performance. The poppet valve includes a body, a poppet, and a spring. The poppet valve may also include an interface between the poppet and the spring to permit relative rotation between the spring and the poppet. The poppet valve may also include a limit stop to prevent over-stressing the spring. The body may include one or more tapered walls to reduce interference with the spring. The spring may also be tapered. The poppet may include one or more tapered elements.

5013009, May 7, 1991

Aug 4, 1989

7/389637

Donald R. Nelson - Worcester MA

Goddard Valve Corporation - Worcester MA

F16K 312

251357

A cryogenic gate valve having a body with a full passage formed therein. A gate has opposed faces at an acute angle with a recess formed in one face of the gate. The recess receives a sealing means that is comprised of a sealing ring having a base flange and an annular flange, and a rigid securing disk having a peripheral flange. The annular flange on the sealing ring has multiple concentric sealing ribs. The interface surface between the disk and the sealing ring extends at a taper angle to the face of the gate.