Ziqian Wu

Person

NanJing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Headgear with curved straps for welding helmet
- Patent number 12,102,160
- Issue date Oct 1, 2024
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- A42 - HEADWEAR
Information Patent Grant
Pressure regulation device
- Patent number D1001270
- Issue date Oct 10, 2023
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D24 - Medical and laboratory equipment
Information Patent Grant
Respirator
- Patent number D1001271
- Issue date Oct 10, 2023
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D24 - Medical and laboratory equipment
Information Patent Grant
Cooling device
- Patent number D996593
- Issue date Aug 22, 2023
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D23 - Environmental heating and cooling
Information Patent Grant
Respiration device
- Patent number D994116
- Issue date Aug 1, 2023
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D24 - Medical and laboratory equipment
Information Patent Grant
Combination of a goggle and a face mask
- Patent number 11,690,763
- Issue date Jul 4, 2023
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Respiration device
- Patent number D983355
- Issue date Apr 11, 2023
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D24 - Medical and laboratory equipment
Information Patent Grant
Headgear with curved straps for welding helmet
- Patent number 11,576,454
- Issue date Feb 14, 2023
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Auto-darkening welding helmet
- Patent number 11,369,520
- Issue date Jun 28, 2022
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- A42 - HEADWEAR
Information Patent Grant
Headband arrangement and welding helmet equipped with the same
- Patent number 11,147,333
- Issue date Oct 19, 2021
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- A42 - HEADWEAR
Information Patent Grant
Headgear of welding helmet
- Patent number D927785
- Issue date Aug 10, 2021
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Welding helmet having a zipper arrangement and welding helmet assembly
- Patent number 11,045,356
- Issue date Jun 29, 2021
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- A42 - HEADWEAR
Information Patent Grant
Welding helmet
- Patent number D916383
- Issue date Apr 13, 2021
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Lockable fitting structure for an electric air-purifying respirator...
- Patent number 10,930,902
- Issue date Feb 23, 2021
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Auto darkening filter capable of achieving high light-shielding number
- Patent number 10,890,792
- Issue date Jan 12, 2021
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- G02 - OPTICS
Information Patent Grant
Protective helmet
- Patent number D900399
- Issue date Oct 27, 2020
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Auto darkening welding helmet
- Patent number D900406
- Issue date Oct 27, 2020
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Protective helmet
- Patent number D899698
- Issue date Oct 20, 2020
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Headband arrangement and welding helmet equipped with the same
- Patent number 10,729,202
- Issue date Aug 4, 2020
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- A42 - HEADWEAR
Information Patent Grant
Wireless projector-type welding helmet and welding machine equipped...
- Patent number 10,660,796
- Issue date May 26, 2020
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Auto darkening welding goggle
- Patent number D876530
- Issue date Feb 25, 2020
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D16 - Photography and optical equipment
Information Patent Grant
Welding helmet having a HUD-type auto-darkening filter
- Patent number 10,555,836
- Issue date Feb 11, 2020
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Auto-darkening welding helmet with a touchable operating screen
- Patent number 10,548,774
- Issue date Feb 4, 2020
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Headband arrangement and welding helmet equipped with the same
- Patent number 10,362,828
- Issue date Jul 30, 2019
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- A42 - HEADWEAR
Information Patent Grant
Auto-darkening welding filter display screen with touch graphical u...
- Patent number D841896
- Issue date Feb 26, 2019
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Belt for welding helmet
- Patent number D837461
- Issue date Jan 1, 2019
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Auto darkening filter for a welding helmet
- Patent number D836847
- Issue date Dec 25, 2018
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Flip-up auto darkening welding helmet
- Patent number D830003
- Issue date Oct 2, 2018
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Filter cartridge for welding respirator
- Patent number D775344
- Issue date Dec 27, 2016
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D24 - Medical and laboratory equipment
Information Patent Grant
Respirator
- Patent number D774180
- Issue date Dec 13, 2016
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- D24 - Medical and laboratory equipment

Patents Applicationslast 30 patents

Information Patent Application
PROTECTIVE DEVICE AND PORTABLE POWERED AIR-PURIFYING RESPIRATOR THE...
- Publication number 20240399177
- Publication date Dec 5, 2024
- Tecmen Electronics Co., Ltd.
- Ziqian WU
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
EAR MUFF AND EAR MUFF ASSEMBLY
- Publication number 20240207100
- Publication date Jun 27, 2024
- Tecmen Electronics Co., Ltd.
- Ziqian WU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ELECTRIC BREATHING APPARATUS AND AIR FILTER DEVICE THEREFOR
- Publication number 20230293915
- Publication date Sep 21, 2023
- Tecmen Electronics Co., Ltd.
- Ziqian WU
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
AUTO-DARKENING WELDING HELMET
- Publication number 20200368067
- Publication date Nov 26, 2020
- Tecmen Electronics Co., Ltd.
- Ziqian WU
- A42 - HEADWEAR
Information Patent Application
COMBINATION OF A GOGGLE AND A FACE MASK
- Publication number 20200368068
- Publication date Nov 26, 2020
- Tecmen Electronics Co., Ltd.
- Ziqian WU
- A41 - WEARING APPAREL
Information Patent Application
HEADBAND ARRANGEMENT AND WELDING HELMET EQUIPPED WITH THE SAME
- Publication number 20190343213
- Publication date Nov 14, 2019
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- A42 - HEADWEAR
Information Patent Application
AUTO DARKENING FILTER CAPABLE OF ACHIEVING HIGH LIGHT-SHIELDING NUMBER
- Publication number 20190310503
- Publication date Oct 10, 2019
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- G02 - OPTICS
Information Patent Application
LOCKABLE FITTING STRUCTURE FOR AN ELECTRIC AIR-PURIFYING RESPIRATOR...
- Publication number 20180337373
- Publication date Nov 22, 2018
- Tecmen Electronics Co., Ltd.
- Ziqian WU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
HEADBAND ARRANGEMENT AND WELDING HELMET EQUIPPED WITH THE SAME
- Publication number 20180042330
- Publication date Feb 15, 2018
- Tecmen Electronics Co., Ltd.
- Ziqian WU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
HEADBAND ARRANGEMENT AND WELDING HELMET EQUIPPED WITH THE SAME
- Publication number 20180042774
- Publication date Feb 15, 2018
- Tecmen Electronics Co., Ltd.
- Ziqian WU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
WIRELESS PROJECTOR-TYPE WELDING HELMET AND WELDING MACHINE EQUIPPED...
- Publication number 20170290707
- Publication date Oct 12, 2017
- Tecmen Electronics Co., Ltd.
- Ziqian WU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WELDING HELMET HAVING A ZIPPER ARRANGEMENT AND WELDING HELMET ASSEMBLY
- Publication number 20170281415
- Publication date Oct 5, 2017
- Tecmen Electronics Co., Ltd.
- Ziqian WU
- A41 - WEARING APPAREL
Information Patent Application
WELDING HELMET HAVING A HUD-TYPE AUTO-DARKENING FILTER
- Publication number 20170258639
- Publication date Sep 14, 2017
- Tecmen Electronics Co., Ltd.
- Ziqian WU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
AUTO-DARKENING WELDING HELMET WITH A TOUCHABLE OPERATING SCREEN
- Publication number 20170252215
- Publication date Sep 7, 2017
- Tecmen Electronics Co., Ltd.
- Ziqian WU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
FILTER HOLDING SYSTEM FOR WELDING MASK
- Publication number 20130081190
- Publication date Apr 4, 2013
- Tecmen Electronics Co., Ltd.
- Ziqian Wu
- G02 - OPTICS

Person

Patents Grantslast 30 patents

Headgear with curved straps for welding helmet

Pressure regulation device

Respirator

Cooling device

Respiration device

Combination of a goggle and a face mask

Respiration device

Headgear with curved straps for welding helmet

Auto-darkening welding helmet

Headband arrangement and welding helmet equipped with the same

Headgear of welding helmet

Welding helmet having a zipper arrangement and welding helmet assembly

Welding helmet

Lockable fitting structure for an electric air-purifying respirator...

Auto darkening filter capable of achieving high light-shielding number

Protective helmet

Auto darkening welding helmet

Protective helmet

Headband arrangement and welding helmet equipped with the same

Wireless projector-type welding helmet and welding machine equipped...

Auto darkening welding goggle

Welding helmet having a HUD-type auto-darkening filter

Auto-darkening welding helmet with a touchable operating screen

Headband arrangement and welding helmet equipped with the same

Auto-darkening welding filter display screen with touch graphical u...

Belt for welding helmet

Auto darkening filter for a welding helmet

Flip-up auto darkening welding helmet

Filter cartridge for welding respirator

Respirator

Patents Applicationslast 30 patents

PROTECTIVE DEVICE AND PORTABLE POWERED AIR-PURIFYING RESPIRATOR THE...

EAR MUFF AND EAR MUFF ASSEMBLY

ELECTRIC BREATHING APPARATUS AND AIR FILTER DEVICE THEREFOR

AUTO-DARKENING WELDING HELMET

COMBINATION OF A GOGGLE AND A FACE MASK

HEADBAND ARRANGEMENT AND WELDING HELMET EQUIPPED WITH THE SAME

AUTO DARKENING FILTER CAPABLE OF ACHIEVING HIGH LIGHT-SHIELDING NUMBER

LOCKABLE FITTING STRUCTURE FOR AN ELECTRIC AIR-PURIFYING RESPIRATOR...

HEADBAND ARRANGEMENT AND WELDING HELMET EQUIPPED WITH THE SAME

HEADBAND ARRANGEMENT AND WELDING HELMET EQUIPPED WITH THE SAME

WIRELESS PROJECTOR-TYPE WELDING HELMET AND WELDING MACHINE EQUIPPED...

WELDING HELMET HAVING A ZIPPER ARRANGEMENT AND WELDING HELMET ASSEMBLY

WELDING HELMET HAVING A HUD-TYPE AUTO-DARKENING FILTER

AUTO-DARKENING WELDING HELMET WITH A TOUCHABLE OPERATING SCREEN

FILTER HOLDING SYSTEM FOR WELDING MASK