Inventor

CHAPMAN JOHN H

US24 patents

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

CHAPMAN JOHN H

ELECTRIC BOAT CORP

Implantable device monitoring arrangement and method

Reciprocating pump circulatory assist arrangement

Surgically implantable power supply

Artificial heart and method of maintaining blood flow

Surgically implantable pump arrangement and method for pumping body fluids

Reciprocating pump and linear motor arrangement

Reciprocating pump with imperforate piston

Multi-channel motor winding configuration and pulse width modulated controller

Electrical circuit for equipment requiring redundant flow paths and method of use

Connecting arrangement for medical device

Method and arrangement for fluidborne vehicle propulsion and drag reduction

Fault-tolerant magnetic bearing control system architecture

Fault-tolerant magnetic bearing control system architecture

External electric drive propulsion module arrangement for swath vessels

Steam seal air removal system

Steam seal air removal system

Steam seal air removal system

Rim-driven propulsion pod arrangement

Propulsion arrangement for axisymmetric fluid-borne vehicles

Integrated external electric drive propulsion module arrangement for surface ships

YARA ENGINEERING CORP

Methods of clay benefication

UNITED STATES BORAX INC

Two-stage process for delaminating kaolin

CHAPMAN JOHN H

Weedless fish hook

US NAVY

Mixed regime passive valve