F04B 53/16
Casings
Official title: Casings; Cylinders; Cylinder liners or heads; Fluid connections
F04B53/16 (Casings) appears on 2,190 US grants and 2,582 published applications in this corpus.
Search patents in F04B- Granted patents
- 2,190
- Published applications
- 2,582
- Assignees
- 1,140
- Inventors
- 4,317
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 15 | 0 |
| 1978 | 13 | 0 |
| 1979 | 15 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 12 | 0 |
| 1985 | 9 | 0 |
| 1986 | 9 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 10 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 21 | 0 |
| 1998 | 16 | 0 |
| 1999 | 20 | 0 |
| 2000 | 23 | 0 |
| 2001 | 27 | 7 |
| 2002 | 18 | 15 |
| 2003 | 27 | 14 |
| 2004 | 15 | 34 |
| 2005 | 15 | 32 |
| 2006 | 8 | 26 |
| 2007 | 18 | 34 |
| 2008 | 14 | 47 |
| 2009 | 20 | 37 |
| 2010 | 32 | 51 |
| 2011 | 29 | 47 |
| 2012 | 32 | 62 |
| 2013 | 40 | 67 |
| 2014 | 38 | 96 |
| 2015 | 49 | 108 |
| 2016 | 72 | 201 |
| 2017 | 93 | 189 |
| 2018 | 155 | 174 |
| 2019 | 167 | 145 |
| 2020 | 144 | 176 |
| 2021 | 124 | 186 |
| 2022 | 145 | 173 |
| 2023 | 155 | 180 |
| 2024 | 165 | 187 |
| 2025 | 185 | 160 |
| 2026 | 132 | 134 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluid pump assembly6 Oct 2026US 12,753,748 B2
- Segmented fluid end module6 Oct 2026US 12,753,755 B2Forum US, Inc.
- Syringe pump6 Oct 2026US 12,753,756 B2Fluid Metering, Inc.
- Pump device29 Sep 2026US 12,747,725 B2Iwaki Co., Ltd.
- Mobile distribution station with fail-safes22 Sep 2026US 12,741,862 B2Fuel Automation Station, LLC
- Proportional volumetric dosing unit8 Oct 2026US 2026/0309135 A1Mixtron S.R.L.
- Weld cap and plug welds for fluid delivery systems8 Oct 2026US 2026/0309168 A1Compart Systems Pte. Ltd.
- Active checked multiple displacer assembly1 Oct 2026US 2026/0298217 A1Graco Minnesota Inc.
- Pump arrangement comprising a venting channel1 Oct 2026US 2026/0298222 A1Schwäbische Hüttenwerke Automotive GmbH
- Fluid ends and valve assemblies for high power pumps and related systems and methods1 Oct 2026US 2026/0298223 A1Vulcan Industrial Holdings, LLC
Most cited
By later US patents
- Disposable ambulatory microprocessor controlled volumetric pump249US 5,807,075 ASarcos Corp. · 1998
- Tube occluder for occluding collapsible tubes240US 7,559,524 B2DEKA Products Limited Partnership · 2009
- High pressure reciprocating pump apparatus214US 4,878,815 A1989
- Tube occluder and method for occluding collapsible tubes210US 6,877,713 B1DEKA Products Limited Partnership · 2005
- Fluid end with protected flow passages192US 9,739,130 B2Acme Industries, Inc. · 2017