Braking device for a door operator
US-9731941-B2 · Aug 15, 2017 · US
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Hu Guohong — Fixed Constructions
Hu Guohong holds 2 patents in Fixed Constructions, with representative filings summarized below.
| Metric | Value |
|---|---|
| Company | Hu Guohong |
| Technology | Fixed Constructions |
| Patents in slice | 2 |
| Recent patents in slice | 0 |
| First year | 2016 |
| Last year | 2017 |
Representative patents
Notable publications linking Hu Guohong to Fixed Constructions.
Braking device for a door operator
US-9731941-B2 · Aug 15, 2017 · US
Magnetic device for controlling door movement and method thereof
US-9362037-B2 · Jun 7, 2016 · US
Magnetic device for controlling door movement and method thereof
US-9362037-B2 · Jun 7, 2016 · US
Recent filings
Latest patents from Hu Guohong in Fixed Constructions.
Braking device for a door operator
US-9731941-B2 · Aug 15, 2017 · US
Braking device for a door operator
US-9731941-B2 · Aug 15, 2017 · US
Magnetic device for controlling door movement and method thereof
US-9362037-B2 · Jun 7, 2016 · US
Magnetic device for controlling door movement and method thereof
US-9362037-B2 · Jun 7, 2016 · US
Related pages
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