Calvin Andrew Gongwer

6575109, Jun 10, 2003

Feb 1, 2002

10/061592

Calvin A. Gongwer - Glendora CA

Innerspace Corporation - Covina CA

B63H 2546

114151, 440 46, 440 47, 440 67

A screen system for marine thrusters having at least one constrictor for reducing exit jet cross-sectional area to increase exit jet velocity of a thruster.

7264519, Sep 4, 2007

May 13, 2005

11/129113

Calvin A. Gongwer - Glendora CA, US

Innerspace Corporation - Covina CA

B63H 11/00

440 38

An outboard motor assembly for use as external propulsion for a watercraft includes a drive assembly, a shaft assembly, and a impeller-jet assembly coupled to the shaft assembly. The impeller-jet assembly includes an inlet stator, an exit stator, a impeller, and an external housing surrounding the stators and impeller. The inlet stator contains a plurality of blades, forcing the flow of water into an optimum direction for the impeller. The exit stator also contains a plurality of blades, which are configured to direct the flow from the impeller, removing the twist and resulting in a more efficient flow of water. The exit stator is tapered to create a more efficient flow of water. The center portion of the impeller contains a hub with an exhaust vent. In the alternative, a duct can be positioned adjacent to the outlet stator such that air is directed into the flow from the outlet.

7445532, Nov 4, 2008

Jun 29, 2007

11/771170

Calvin A. Gongwer - Glendora CA, US

Innerspace Corproation - Covina CA

B63H 11/00

440 38

An outboard motor assembly for use as external propulsion for a watercraft includes a drive assembly, a shaft assembly, and an impeller-jet assembly coupled to the shaft assembly. The impeller-jet assembly includes an inlet stator, an exit stator, an impeller, and an external housing surrounding the stators and impeller. The inlet stator contains a plurality of blades, forcing the flow of water into an optimum direction for the impeller. The exit stator also contains a plurality of blades, which are configured to direct the flow from the impeller, removing the twist and resulting in a more efficient flow of water. The exit stator is tapered such that each blade is thicker at the trailing edge than at the leading edge, to create a circular array of separate nozzles with gaps between them.

8092265, Jan 10, 2012

May 27, 2009

12/473201

Calvin A Gongwer - Glendora CA, US

B63H 11/103

440 44, 440 47

A jet propulsion device and method for controlling movement of the jet propulsion device, where liquid inlets are positioned at a distance from the surface of the device. Preferably, the inlets are positioned in the stabilizing fins of the device. When the device reaches a certain speed, a Riabouchinsky cavity forms around the device, and the radius of the Riabouchinsky cavity is substantially equal to the distance between the inlets and the longitudinal axis of the device.

50725793, Dec 17, 1991

Apr 20, 1990

7/511414

Calvin A. Gongwer - Glendora CA

Innerspace Corporation - Covina CA

B63H 114

60221

A ductless wall thruster for a marine vessel has a housing with a plenum chamber therein and, at a forward end of the housing, at least one inlet opening surrounding an outlet opening. An impeller is rotatably mounted within the housing so that when the impeller is rotated, it draws water into the housing and discharges it through the outlet opening to create a thrust. Preferably, there is a plurality of equally dimensioned inlet openings defined by stationary vanes inclined in a direction opposite the normal direction of rotation of the impeller. The outlet opening is preferably defined on a forward end of a central impeller housing in which the impeller is mounted, with the impeller having a flow area therethrough which is greater than the flow are through the outlet opening.

43164781, Feb 23, 1982

May 27, 1980

6/153419

Calvin A. Gongwer - Glendora CA

Innerspace Corporation - Glendora CA

F16K 4704

137 14

A fluid control valve and its method of use, the valve having a plurality of annular fluid control elements stacked within a housing, and resilient means for biasing the fluid control elements in a spaced apart relationship in order to provide for fluid flow between the fluid control elements, the fluid control elements forming a seat adapted to receive the resilient means and also including means for producing an interference fit about the periphery of the fluid control elements adjacent the center space within the annular stack of fluid control elements.

48875406, Dec 19, 1989

Jun 30, 1988

7/213994

Calvin A. Gongwer - Glendora CA

B63B 100

114 57

A propulsion system capable of more efficiently accomplishing all that the prior art propulsion systems can accomplish and additionally providing for manuevers that had hereto been unavailable with purely stern-driven craft through the use of a first and second apparatus for generating propulsion mounted at the rear of the craft to be driven. The two apparatusses for propulsion are arranged one over the other so that the centerlines are substantially aligned vertically. A movable rudder is mounted substantially vertically at the rear of the craft parallel to the centerline of and in the effluent streams of the first and second propulsion apparatus. A fixed fin array is also mountede at the rear of the craft in the effluent streams of said first and second propulsion apparatus just forward of the rudder.

47350458, Apr 5, 1988

Aug 13, 1986

6/894760

Calvin A. Gongwer - Glendora CA

Innerspace Corporation - Glendora CA

B63H 1100

60204

A thruster for use underwater having a rotor which may be optionally rotated either clockwise or counterclockwise. The rotor includes blading, perferably radially symmetrical about the rotor radius line, and a limited discharge area such that fluid is discharged from said limited discharge in a direction substantially perpendicular to a rotor radius line passing through the approximate center of the limited discharge area.