Fan with synchronously switch for rotation directions

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11408431
APP PUB NO 20210199119A1
SERIAL NO

17057694

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Disclosed is a fan. The fan includes a support, a first motor, a first blade, a second motor, a second blade and an electronic control board. The first motor and the second motor are both installed on the support. The first motor is coaxial with the second motor. The first motor has a first rotation shaft and the second motor has a second rotation shaft. The first blade is installed on the first rotation shaft. The second blade is installed on the second rotation shaft. A torsion direction of the first blade is opposite to a torsion direction of the second blade. The electric control board is electrically connected to the first motor and the second motor, and includes a speed ratio adjustment device. The fan can provide a variety of air outlet modes and can quickly adjust between different air outlet modes.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
MIDEA GROUP CO LTD528311 26-28 B DISTRICT MEI HEADQUARTERS BUILDING 6 MEI ROAD BEIJIAO TOWN SHUNDE DISTRICT FOSHAN GUANGDONG FOSHAN CITY GUANGDONG PROVINCE 528311
GD MIDEA ENVIRONMENT APPLIANCES MFG CO LTD528425 DONGFENG ROAD AND DONGTING INDUSTRIAL PARK 28 DONGFENG TOWN ZHONGSHAN GUANGDONG ZHONGSHAN CITY GUANGDONG PROVINCE 528425

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cui, Shiqiang Zhongshan, CN 15 12
Fang, Yu Zhongshan, CN 128 2290
Guo, Runming Zhongshan, CN 8 11
Kang, Ruixiang Zhongshan, CN 3 9
Wu, Yongqiang Zhongshan, CN 25 37
Yi, Rong Zhongshan, CN 6 18
Zhang, Xusheng Zhongshan, CN 185 6873

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Feb 9, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 Feb 9, 2030
11.5 Year Payment $7400.00 $3700.00 $1850.00 Feb 9, 2034
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00