Fern Engineering
Bourne, MA, US· latest recorded location
Fern Engineering is named on 3 US grants and 0 published applications in this corpus. Its most frequent classification is F01D (Non-positive displacement machines or engines).
- Granted patents
- 3
- Published applications
- 0
- Inventors
- 2
- Granted in 2026 so far
- 0
- Most recent grant
- 28 Apr 1987
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
By publication year.
Technology areas
Share of 3 documents
Recent patents
- Regenerative system for a gas turbine28 Apr 1987US 4,660,377 A
- Turbine seal12 Apr 1983US 4,379,560 A
- Appearance system7 Oct 1980US 4,226,068 A
No published applications.
Most cited
By later US patents