Category:Kam Hoi Ma

Kam Hoi Ma

Executive Summary

Kam Hoi Ma is an inventor who has filed 2 patents. Their primary areas of innovation include DOMESTIC WASHING OR CLEANING (brushes (2 patents), Brush bodies and bristles moulded as a unit (2 patents), Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber (2 patents), and they have worked with companies such as BISSELL Inc. (2 patents). Their most frequent collaborators include (2 collaborations), (2 collaborations), (2 collaborations).

Patent Filing Activity

Technology Areas

List of Technology Areas

• A47L11/302 (DOMESTIC WASHING OR CLEANING (brushes): 2 patents
• A46B1/00 (Brush bodies and bristles moulded as a unit): 2 patents
• A46B9/06 (Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber): 2 patents
• A46B13/001 ({Cylindrical or annular brush bodies}): 2 patents
• A47L5/28 (DOMESTIC WASHING OR CLEANING (brushes): 2 patents
• A47L5/30 (DOMESTIC WASHING OR CLEANING (brushes): 2 patents
• A47L7/0004 (Suction cleaners adapted for additional purposes (suction devices for removing ash): 2 patents
• A47L7/0014 (Suction cleaners adapted for additional purposes (suction devices for removing ash): 2 patents
• A47L9/04 (DOMESTIC WASHING OR CLEANING (brushes): 2 patents
• A47L9/30 (DOMESTIC WASHING OR CLEANING (brushes): 2 patents
• A47L11/29 (DOMESTIC WASHING OR CLEANING (brushes): 2 patents
• A47L11/30 (DOMESTIC WASHING OR CLEANING (brushes): 2 patents
• A47L11/4008 (DOMESTIC WASHING OR CLEANING (brushes): 2 patents
• A47L11/4016 (DOMESTIC WASHING OR CLEANING (brushes): 2 patents
• A47L11/4041 (DOMESTIC WASHING OR CLEANING (brushes): 2 patents
• A47L11/4044 (DOMESTIC WASHING OR CLEANING (brushes): 2 patents
• A47L11/4083 (DOMESTIC WASHING OR CLEANING (brushes): 2 patents
• A47L11/4088 (DOMESTIC WASHING OR CLEANING (brushes): 2 patents

Companies

List of Companies

• BISSELL Inc.: 2 patents

Collaborators

• Jincheng Xia (2 collaborations)
• Jianjun Ge (2 collaborations)
• Zhenjiang Yin (2 collaborations)
• Xin Chen (2 collaborations)
• Yongsheng Liang (2 collaborations)