Inventor

TYVOLL DAVID

US44 patents

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

TYVOLL DAVID

HEWLETT PACKARD DEVELOPMENT CO

Inhalation device and method for delivering variable amounts of different components

Microfluidic system for analyzing nucleic acids

Pigment dispersions that exhibit variable particle size or variable vicosity

Microfluidic device with thin-film electronic devices

Inhalation device and method for delivering variable amounts of different components

Disposable blood test device

Controlled medicament ejection

Method of sorting cells on a biodevice

Dissimilar pigments for use in dark and light inkjet inks

Sorting particles

Sorting particles

Inkjet inks having cyan, yellow, magenta, and/or black colorants and methods of using the same to produce black and white images

Waterfest, environmentally friendly inks adapted for point-of-sale ink-jet applications

Method of sorting cells in series

Microfluidic system utilizing thin-film layers to route fluid

Microfluidic device with thin-film electronic devices

Medicament ejector with ejection port servicing

Pigmented inks having different particle sizes and/or morphologies and distinct chemical dispersions

Method of analyzing blood

Thermal drop generator

Activating agents for use with reactive colorants in inkjet printing of textiles

Electrical analysis of biological membranes

Anisotropic colorants for inkjet printing

Generation of gas in a lab-on-a-chip environment

Color-generating device and display system

Filter for a display system

Cell transporter for a biodevice

Medicament dispenser

Filter for display system

Color-generating device and display system

Modification of inks during printing to reduce color intensity

LOVE JOHN CHRISTIAN

Apparatus for assisting printing having proximal wick

Maintenance apparatus having rotatable wiper for printhead

Maintenance system having modular sled

Method of shaping media at printhead

System for shaping media at printhead

Maintenance apparatus having multiple fluid absorbers for printhead

Printer having modular maintenance sled

MEMJET TECHNOLOGY LTD

Printer having sled providing wiping, capping and platen modules

Pigment-based ink formulations having improved printhead lifetime

Method of improving printhead decap performance

Ink additive combinations for improving printhead lifetime

CHILDERS WINTHROP D

Inhaler nozzle maintenance apparatus and method

ZOUMARAS STEVEN

Control interface activated restraining system to secure a rider&#39;s footwear to a foot support

Control interface activated restraining system to secure a rider's footwear to a foot support