F04D 1/063
Of the vertically split casing type
Official title: {of the vertically split casing type}
F04D1/063 (Of the vertically split casing type) appears on 182 US grants and 178 published applications in this corpus.
Search patents in F04D- Granted patents
- 182
- Published applications
- 178
- Assignees
- 119
- Inventors
- 416
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 1 |
| 2003 | 1 | 5 |
| 2004 | 3 | 7 |
| 2005 | 6 | 9 |
| 2006 | 4 | 8 |
| 2007 | 2 | 9 |
| 2008 | 4 | 6 |
| 2009 | 4 | 4 |
| 2010 | 4 | 10 |
| 2011 | 7 | 7 |
| 2012 | 5 | 5 |
| 2013 | 7 | 8 |
| 2014 | 5 | 2 |
| 2015 | 6 | 12 |
| 2016 | 5 | 5 |
| 2017 | 7 | 7 |
| 2018 | 5 | 11 |
| 2019 | 6 | 15 |
| 2020 | 8 | 11 |
| 2021 | 10 | 8 |
| 2022 | 6 | 6 |
| 2023 | 11 | 4 |
| 2024 | 7 | 8 |
| 2025 | 3 | 3 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composite cross-over diffuser for a centrifugal pump, centrifugal pump comprising the same and corresponding manufacturing process9 Jun 2026US 12,650,131 B2Waterax Inc.
- Keyless nesting diffuser for centrifugal pumps24 Mar 2026US 12,584,495 B2Baker Hughes Oilfield Operations LLC
- Miniature pump20 Jan 2026US 12,529,379 B1Asia Vital Components Co., Ltd.
- Symmetrical radially split centrifugal multistage thrustless pump2 Dec 2025US 12,486,853 B1Flowserve Pte. Ltd.
- High volume axial flow electric submersible pump (ESP) pump stage20 May 2025US 12,305,494 B2Halliburton Energy Services.Inc.
- System and method for handling thrust loads in axial flow pump23 Jul 2026US 2026/0210372 A1Schlumberger Technology Corporation
- Submergible Multistage Pump16 Jul 2026US 2026/0201888 A1Xylem Europe GmbH
- Anti-swirl ribs for erosion resistance of electric submersible pumps16 Jul 2026US 2026/0201902 A1Schlumberger Technology Corporation
- Multistage disc pump for multiphase fluids25 Jun 2026US 2026/0177067 A1Mxq, LLC
- Motor pump14 May 2026US 2026/0132798 A1Ebara Corporation
Most cited
By later US patents
- Integrated pumping system for use in pumping a variety of fluids58US 6,811,382 B2Schlumberger Technology Corporation · 2004
- Multi-stage pump powered by integral canned motors43US 5,713,727 AWestinghouse Electric Corp. · 1998
- Centrifugal submersible pump39US 6,361,272 B12002
- Bearing arrangement for centrifugal pump36US 5,133,639 ASta-Rite Industries, Inc. · 1992
- Abrasion resistant pump thrust bearing36US 7,575,413 B2Baker Hughes Incorporated · 2009