Inventor

DUAN ZHENG

US48 patents

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

DUAN ZHENG

HYPERTHERM INC

Generating discrete gas jets in plasma arc torch applications

Devices for gas cooling plasma arc torches and related systems and methods

Apparatus for cooling plasma arc torch nozzles

Method and apparatus for alignment of components of a plasma ARC torch

Method and apparatus for alignment of components of a plasma arc torch

Plasma arc torch providing angular shield flow injection

Method and apparatus for alignment of components of a plasma arc torch

Cost effective cartridge for a plasma arc torch

Cost effective cartridge for a plasma arc torch

Swirl ring and contact element for a plasma arc torch cartridge

Cost effective cartridge for a plasma arc torch

Cost effective cartridge for a plasma arc torch

Devices for gas cooling plasma arc torches and related systems and methods

Swirl ring and contact element for a plasma arc torch cartridge

Plasma ARC torch electrode with symmetrical plasma gas flow

Method and apparatus for alignment of components of a plasma arc torch

Cost effective cartridge for a plasma arc torch

Cost effective cartridge for a plasma arc torch

Swirl ring and contact element for a plasma arc torch cartridge

Plasma cutting system with efficient components

Cost effective cartridge for a plasma arc torch

Devices for gas cooling plasma arc torches and related systems and methods

Cost effective cartridge for a plasma arc torch

Consumable component parts for a plasma torch

Apparatus and method for securing a plasma torch electrode

Devices for gas cooling plasma arc torches and related systems and methods

Operating plasma arc processing systems at reduced current and gas pressure levels and related systems and methods

Disabling plasma arc torches and related systems and methods

Thread connection for a torch system

Diffuser shape vent slots in a hand torch shield castellation

SAMSUNG ELECTRONICS CO LTD

Method and system for engineering the secondary barrier layer in dual magnetic junctions

Method and system for engineering the secondary barrier layer in dual magnetic junctions

Method and system for determining temperature using a magnetic junction

Method and system for determining temperature using a magnetic junction

UNIV TSINGHUA

Thermal transistor

Thermal transistor

Method for controlling thermal resistance

DUAN ZHENG

Plasma arc torch providing angular shield flow injection

Nozzle head with increased shoulder thickness

BRANDT AARON D

Method and apparatus for automatic gas control for a plasma arc torch

Method and apparatus for automatic gas control for a plasma arc torch

MATHER JONATHAN P

Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes

ROBERTS JESSE

Torch flow regulation using nozzle features

LINDSAY JON W

Consumable component parts for a plasma torch

LIU QINGHUA

Failure event detection in a plasma arc torch

BOE TECHNOLOGY GROUP CO LTD

Grating structure, preparation method thereof and display device

ZHANG YU

Diffuser shape vent slots in a hand torch shield castellation

HENAN ACADEMY OF SCIENCES CHEMICAL RES INSTITUTE CO LTD

Method for preparing chiral ferrocene diphosphine ligand