Luen Sing Tang

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Yuen Long, HK

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Patents Grantslast 30 patents

Information Patent Grant
Bag and related methods
- Patent number 11,827,418
- Issue date Nov 28, 2023
- Tecksom International Limited
- Luen Sing Tang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Easy tearing bags and packaging material
- Patent number 6,610,338
- Issue date Aug 26, 2003
- Teckson International Limited
- Luen Sing Tang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Package incorporating a pressure venting feature
- Patent number 6,582,123
- Issue date Jun 24, 2003
- Tecksom International Limited
- Luen Sing Tang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Laminating apparatus
- Patent number 5,942,077
- Issue date Aug 24, 1999
- Tecksom International Ltd.
- Luen Sing Tang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
PLASTIC FILM AND PACKAGING USING THE PLASTIC FILM
- Publication number 20220234810
- Publication date Jul 28, 2022
- Tecksom International Limited
- Luen Sing TANG
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
BAG AND RELATED METHODS
- Publication number 20220204244
- Publication date Jun 30, 2022
- Tecksom International Limited
- Luen Sing TANG
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
A BAG AND RELATED METHODS
- Publication number 20210394965
- Publication date Dec 23, 2021
- Tecksom International Limited
- Luen Sing TANG
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
AIRTIGHT STORAGE BAG
- Publication number 20090097781
- Publication date Apr 16, 2009
- Luen-Sing TANG
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
EASY TEARING BAGS AND PACKAGING MATERIAL
- Publication number 20020001645
- Publication date Jan 3, 2002
- LUEN SING TANG
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL