F04C 18/126
With radially from the rotor body extending elements, not necessarily co-operating with
Official title: {with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type}
F04C18/126 (With radially from the rotor body extending elements, not necessarily co-operating with) appears on 261 US grants and 343 published applications in this corpus.
Search patents in F04C- Granted patents
- 261
- Published applications
- 343
- Assignees
- 132
- Inventors
- 521
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
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| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
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| 2000 | 7 | 0 |
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| 2003 | 3 | 9 |
| 2004 | 4 | 6 |
| 2005 | 1 | 11 |
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| 2022 | 29 | 15 |
| 2023 | 16 | 19 |
| 2024 | 15 | 10 |
| 2025 | 16 | 10 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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