F01D 1/026
Impact turbines with buckets, i.e. impulse turbines
Official title: {Impact turbines with buckets, i.e. impulse turbines, e.g. Pelton turbines (F01D1/16, F01D1/34 take precedence)}
F01D1/026 (Impact turbines with buckets, i.e. impulse turbines) appears on 57 US grants and 67 published applications in this corpus.
Search patents in F01D- Granted patents
- 57
- Published applications
- 67
- Assignees
- 41
- Inventors
- 117
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 4 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 4 |
| 2010 | 0 | 4 |
| 2011 | 1 | 5 |
| 2012 | 3 | 4 |
| 2013 | 1 | 7 |
| 2014 | 2 | 6 |
| 2015 | 5 | 4 |
| 2016 | 3 | 4 |
| 2017 | 5 | 3 |
| 2018 | 3 | 3 |
| 2019 | 2 | 1 |
| 2020 | 3 | 4 |
| 2021 | 1 | 3 |
| 2022 | 2 | 3 |
| 2023 | 2 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- First stage impulse steam turbine nozzle axially tangential holes matrix10 Mar 2026US 12,571,322 B1Northrop Grumman Systems Corporation
- Turbine engine system13 Aug 2024US 12,060,840 B2Heleng Inc.
- Separation assembly with a single-piece impulse turbine9 Jul 2024US 12,030,063 B2Cummins Filtration IP, Inc.
- Impulse turbine and turbine device7 Nov 2023US 11,808,155 B2
- Gas-wind turbine engine6 Jun 2023US 11,668,240 B2
- A peripheral expanding chambers in flywheel engine generating and storing energy25 Jun 2026US 2026/0177026 A1
- Turbine engine system7 May 2026US 2026/0125981 A1Heleng Inc.
- Turbine engine system9 Mar 2023US 2023/0075469 A1Heleng Inc.
- Self-operated incinerator system29 Sep 2022US 2022/0311310 A1
- Impulse turbine and turbine device22 Sep 2022US 2022/0298931 A1
Most cited
By later US patents
- Micro-turbo generator device34US 5,874,798 AMotorola, Inc. · 1999
- Trapped vortex combustor29US 7,003,961 B2Ramgen Power Systems, Inc. · 2006
- Rotary ramjet engine with flameholder extending to running clearance at engine casing interior wall20US 6,694,743 B2Ramgen Power Systems, Inc. · 2004
- Turbine wheel for drive turbine especially of metal working machinery19US 5,820,339 AJoisten & Kettenbaum GmbH & Co. KG · 1998
- Electro-dynamic power converter14US 4,463,555 A1984