Inventor

DUNCAN WILLIAM DAVID

US70 patents

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

DUNCAN WILLIAM DAVID

ELWHA LLC

System and method for management of airspace for unmanned aircraft

Systems and methods for reporting real-time handling characteristics

System and method for operation and management of reconfigurable unmanned aircraft

System and methods for regulating an environmental variable within a target zone having multiple inhabitants

Reconfigurable unmanned aircraft system

System and method for operating unmanned aircraft

System and method for operation and management of reconfigurable unmanned aircraft

System and method for management of airspace for unmanned aircraft

Systems and methods for detecting soil characteristics

Smart cane with extensions for navigating stairs

Systems and methods for detecting soil characteristics

System and method for management of airspace for unmanned aircraft

Smart cane with extensions for navigating stairs

Pipeline leak sealing system and method

Systems and methods for enhancement of facial expressions

Feedback for enhanced situational awareness

Wearable haptic feedback devices and methods of fabricating wearable haptic feedback devices

Reflective articles and methods for increasing photosynthesis

Portable electronic device directed audio emitter arrangement system and method

Portable electronic device directed audio system and method

Portable electronic device directed audio targeted multiple user system and method

Systems, methods, and devices for gathering display device usage data

Driver training in an autonomous vehicle

Systems and methods for drone marking of airborne materials

Systems and methods for drone tracking of airborne materials

Systems and methods for regulating an environmental variable within a target zone having multiple inhabitants

Gastrointestinal device with associated microbe-promoting agents

Systems, methods, and devices for unmanned aerial vehicle dispatch and recovery

Electronic device multi-layer graphene grid

Adjuncts for gastrointestinal devices

Systems and methods for monitoring sound during an in-building emergency

Systems, methods, and devices for providing assistance to an unmanned aerial vehicle

Mitigating wind turbine blade noise generation in view of a minimum power generation requirement

Agricultural access systems and methods

Vehicle collision management responsive to adverse circumstances in an avoidance path

Battery damage indicator

Active cathode temperature control for metal-air batteries

Vehicle collision management responsive to traction conditions in an avoidance path

Multi-elevational antenna systems and methods of use

Systems and methods for regulating an environmental variable within a target zone having multiple inhabitants

Portable electronic device directed audio system and method

Active cathode temperature control for metal-air batteries

Multi-elevational antenna systems and methods of use

Dual element turbine blade

Applications of graphene grids in vacuum electronics

Gastrointestinal device with associated commensal microbes

CALDEIRA KENNETH G

Method and apparatus for supplying auxiliary electrical power to an electric or hybrid vehicle

Method and apparatus for supplying auxiliary electrical power to an electric or hybrid vehicle

DUNCAN WILLIAM DAVID

Photonic modulation of a photonic band gap

Cervical spine stabilizing system