Inventor

FIELD J DOUGLAS

US59 patents

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

FIELD J DOUGLAS

DEKA PRODUCTS LP

Control of a personal transporter based on user position

Motion control of a transporter

Transporter oscillating alarm

Personal transporter

Deceleration control of a personal transporter

Personal mobility vehicles and methods

Dynamically stable transporter controlled by lean

Dynamically stable transporter controlled by lean

Dynamic balancing vehicle with a seat

Multiple-passenger transporter

Method and system for fail-safe motor operation

Non-linear control of a balancing vehicle

Riderless stabilization of a balancing transporter

Transporter oscillating alarm

Trailer for balancing vehicle

Personal mobility vehicles and methods

Dynamic balancing vehicle with a seat

Guided control of a transporter

Dynamic balancing vehicle with a seat

Method and system for fail-safe motor operation

Steering control of a personal transporter

Control of a personal transporter based on user position

Control of a personal transporter based on user position

Control of a personal transporter based on user position

Transporter oscillating alarm

Method for attaching a carrier to a balancing transporter

Multiple-passenger transporter

Accelerated startup for a balancing personal vehicle

Control of a personal transporter based on user position

Guided control of a transporter

Apparatus and method for attaching a wheel to an axle

Transporter motor alarm

Control of a personal transporter based on user position

Control of a personal transporter based on user position

SEGWAY INC

Enhanced control of a transporter

Enhanced control of a transporter

Vehicle control by pitch modulation

Vehicle control by pitch modulation

Apparatus and method for control of a vehicle

Apparatus and method for control of a vehicle

KAMEN DEAN

Control of a personal transporter based on user position

Control of a personal transporter based on user position

Dynamically stable transporter controlled by lean

Motion control of a transporter

FIELD J DOUGLAS

Apparatus and method for control of a vehicle

Apparatus and method for control of a vehicle

SEGWAY LLC

Personal transporter

Personal transporter

UNGAR P JEFFREY

Controlling battery charging based on current, voltage and temperature

JOHNSON & JOHNSON MEDICAL

Thermal gradient beveling of catheters