Inventor

CHAMPION DAVID

US42 patents

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

CHAMPION DAVID

HEWLETT PACKARD DEVELOPMENT CO

Co-deposited films with nano-columnar structures and formation process

Fuel cell with embedded current collector

Fuel cell assembly and method of making the same

Compositional and structural gradients for fuel cell electrode materials

Fuel cell with integrated heater and robust construction

Electrode-electrolyte composites having discrete regions

Fuel cell or electrodes with passive support

Fuel-cell integral multifunction heater and methods

Fuel cells utilizing non-porous nanofilm microchannel architecture

Template and methods for forming photonic crystals

Fuel cell and method of manufacturing same using chemical/mechanical planarization

Fuel cell with film having nanowires therein

MEMS-based fuel cell and methods

Transmitting and detecting light with optical fiber during sintering

Threaded fuel cell assembly

Fuel cell and passive support

Oscillating gas flow in fuel cells

Fuel cell with integral manifold

Methods and systems for elevating a temperature within a fuel cell

Fuel cell

Fuel cell assemblies and methods of making the same

Electrical measurement of a green object during sintering

Fuel cell apparatus

Photonic structures, devices, and methods

Methods for applying crystalline materials

Fuel-cell element stack with stress relief and methods

Sintering furnace

Operating a sintering furnace

Photonic structures, devices, and methods

Compositional and structural gradients for fuel cell electrode materials

Method for making a photonic structure

Fuel cell assembly

Fuel cell with catalytic combustor seal

Optical property normalization for a transparent electrical device

Method and apparatus for enhancing catalytic activity

Optical property normalization for a transparent electrical device

Photonic-crystal filament and methods

Fuel cell reactant supply

EVEREADY BATTERY INC

Fuel cell with integral manifold and laterally spaced electrodes

COMSIS

Method and system of convolutive coding for the transmission of space-time block codes according to the technique termed Golden Code

ST MICROELECTRONICS INT NV

Frequency offset of a clock signal

CHAMPION DAVID

Method for decoding 2X2 spatiotemporal codes, in particular Golden type code