QINGDAO HUATIAN HAND TRUCK CO., LTD. Patent Application Trends in 2025

QINGDAO HUATIAN HAND TRUCK CO., LTD. patent applications in 2025

Top 10 Technology Areas

• B62B3/02 (involving parts being adjustable, collapsible, attachable, detachable or convertible)
  • Count: 1 patents
  • Example: 20250058810. CONNECTING STRUCTURE AND TRANSPORT CART (QINGDAO HUATIAN HAND TRUCK CO., LTD.)
• B62B2205/20 (Catches; Locking or releasing an articulation)
  • Count: 1 patents
  • Example: 20250058810. CONNECTING STRUCTURE AND TRANSPORT CART (QINGDAO HUATIAN HAND TRUCK CO., LTD.)

Emerging Technology Areas

• B62B2205/20 (Catches; Locking or releasing an articulation)
  • Count: 1 patents
  • Example: 20250058810. CONNECTING STRUCTURE AND TRANSPORT CART (QINGDAO HUATIAN HAND TRUCK CO., LTD.)
• B62B3/02 (involving parts being adjustable, collapsible, attachable, detachable or convertible)
  • Count: 1 patents
  • Example: 20250058810. CONNECTING STRUCTURE AND TRANSPORT CART (QINGDAO HUATIAN HAND TRUCK CO., LTD.)

Top Inventors

• ZHIJUN LIU (1 patent)

Patent Categories

Geographical Distribution of Inventors

Geographical Distribution of US Inventors

QINGDAO HUATIAN HAND TRUCK CO., LTD. Inventor States 2025 - Up to April 2025