Title:
AIRFLOW CONTROL FOR A DUST-FREE BENCH
United States Patent 3518814
US Patent References:
Cabin supercharger regulator system
- - 2439239
/0390820.html
- - 0390820
Suction cleaner
- - 1904973
Heating and ventilating system
- - 2189895
Heating system
- - 2369044
Cabin supercharger regulator system
- - 2439239
/0390820.html
- - 0390820
Suction cleaner
- - 1904973
Heating and ventilating system
- - 2189895
Heating system
- - 2369044
Inventors:
Maynard, John T.
Publication Date:
07/07/1970
View Patent Images:
Export Citation:
Assignee:
SMITH CORP A O
Primary Class:
Other Classes:
454/187, 417/43, 55/473, 454/49
International Classes:
B25H1/20; B25H1/00; B01D46/46
US Patent References:
| 2449797 | Electronic control circuit | |||
| 2947938 | Electrothermal measuring apparatus and method for the calibration thereof | |||
| 3068775 | Control system for an air curtain sealing the entrance of a building | |||
| 3196629 | Refrigeration head pressure control systems | |||
| 3251177 | Dust-free bench | |||
| 3273323 | Laminar flow air hood apparatus | |||
| 3302089 | System for controlling the output of plural field dynamoelectric machine |