ROTATION CONTROL DEVICE OF MULTI-ROTOR CEILING FAN
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jun 20, 2013
app pub date -
Dec 20, 2011
filing date -
Dec 20, 2011
priority date (Note) -
Abandoned
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Abstract
A rotation control device of a multi-rotor ceiling fan includes a fixed unit. The fixed unit is provided with a fixed gear. The fixed unit is pivotally connected with a movable unit. A driving member is fixed to the movable unit. The driving member has a driving gear. The driving gear meshes with the fixed gear. The driving member is provided with at least one pair of support rods. The distal ends of the support rods are respectively connected with a fan. The driving member brings the movable unit to turn at a constant speed relative to the fixed unit for the fans to revolve round the fixed unit, producing stable airflow to the surrounding by 360-degree rotation.
First Claim
all claims..Other Claims data not available
Family
- No Family data available.
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
AIR COOL INDUSTRIAL CO LTD | NO 257 SEC 1 CHUNG SHAN RD TANTZE DIST TAICHUNG CITY |
International Classification(s)

- 2011 Application Filing Year
- F04D Class
- 829 Applications Filed
- 694 Patents Issued To-Date
- 83.72 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
WANG, Cliff | Taichung, TW | 214 | 3179 |
# of filed Patents : 214 Total Citations : 3179 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 3 Citation Count
- F04D Class
- 8.61 % this patent is cited more than
- 12 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 20, 2024 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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 |
Full Text

Legal Events
- No Legal Status data available.

Matter Detail

Renewals Detail
