Carl F Fernstrom
Inventor
Stats
- 5 US patents issued
- 5 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 5 US Patents Issued
- 5 US Applications Filed
- 194 Total Citation Count
- Sep 3, 1992 Most Recent Filing
- Apr 9, 1979 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| EMERSON ELECTRIC CO. | 2
1 1 1 | 1979
1987 1989 1992 |
| FEDERAL-HOFFMAN, INC. | 1
| 1979
|
Inventor Addresses
| Address | Duration |
|---|---|
| Marlborough, MO | Jan 12, 88 - Jan 12, 88 |
| St. Louis County, MO | Jan 06, 81 - Jun 12, 90 |
| St. Louis, MO | Apr 06, 93 - Apr 06, 93 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| E03B: | INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER | 1 |
| F16K: | VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING | 1 |
| F17D: | PIPE-LINE SYSTEMS; PIPE-LINES | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 5199456 | 1993 | Solenoid gas valve | 45 |
| 4932430 | 1990 | Adjustable two-stage fluid pressure regulating valve | 53 |
| 4718448 | 1988 | Gas valve | 49 |
| 4289476 | 1981 | Direct ignition gas burner control system | 10 |
| 4243373 | 1981 | Direct ignition gas burner control system | 5 |
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