Inventor

LIU YUMIN

US55 patents

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

LIU YUMIN

KIORITZ CORP

Internal combustion engine

Lubricating method and device of internal combustion engine

Two-stroke internal combustion engine

Four-stroke cycle internal combustion engine

Air-cooled four-stroke internal combustion engine

Cooling system for four-stroke cycle internal combustion engine

Four-stroke cycle internal combustion engine

Four-stroke cycle internal combustion engine

Four-stroke cycle internal combustion engine

Four-stroke cycle internal combustion engine

Four-stroke cycle internal combustion engine

SYMYX TECHNOLOGIES INC

Ni catalysts and methods for alkane dehydrogenation

Processes for oxidative dehydrogenation

Processes for oxidative dehyrogenation

Catalysts for oxidative dehydrogenation

Ni catalysts and methods for alkane dehydrogenation

Methods and apparatus for mechanical treatment of materials such as catalysts

Apparatus for pressing and other mechanical treatment of materials such as catalysts

Methods and apparatus for mechanical treatment of materials such as catalysts

Methods for mechanical treatment of materials such as catalysts

AIR LIQUIDE

Tungsten pentachloride conditioning and crystalline phase manipulation

Tungsten pentachloride conditioning and crystalline phase manipulation

Tungsten pentachloride conditioning and crystalline phase manipulation

Tungsten pentachloride conditioning and crystalline phase manipulation

Molybdenum pentachloride conditioning and crystalline phase manipulation

Reagents to remove oxygen from metal oxyhalide precursors in thin film deposition processes

Cureable formulations for forming low-k dielectric silicon-containing films using polycarbosilazane

Method for deposition of gallium-containing film with gallium precursors

Vapor delivery systems for solid and liquid materials

CELANESE INT CORP

Ni catalysts and methods for alkane dehydrogenation

Ni catalysts and methods for alkane dehydrogenation

Ni catalysts and methods for alkane dehydrogenation

Ni catalysts and methods for alkane dehydrogenation

Halide free precurors for catalysts

Rhodium containing catalysts

FAIRCHILD SEMICONDUCTOR

Semiconductor package with an embedded printed circuit board and stacked die

3D smart power module

Stacked micro optocouplers and methods of making the same

Pin substrate and package

Package with overlapping devices

LIU YONG

Embedded semiconductor power modules and packages

3D smart power module

Semiconductor package with an embedded printed circuit board and stacked die

UNIV PRINCETON

Reduction of aromatic halide content

Process for decreasing chlorine content of chlorinated hydrocarbons

LIU YUMIN

Waist support belt

Waist support belt

(unassigned)

Ni catalysts and methods for alkane dehydrogenation

WANG TAO

Layered support material for catalysts

UNIV DALIAN TECH

Quick-stop cutting device for a lathe