B05B 3/005
Using viscous dissipation
Official title: {using viscous dissipation, e.g. a rotor movable in a chamber filled with oil}
B05B3/005 (Using viscous dissipation) appears on 89 US grants and 68 published applications in this corpus.
Search patents in B05B- Granted patents
- 89
- Published applications
- 68
- Assignees
- 20
- Inventors
- 62
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 3 | 7 |
| 2005 | 2 | 1 |
| 2006 | 6 | 7 |
| 2007 | 2 | 1 |
| 2008 | 2 | 5 |
| 2009 | 3 | 1 |
| 2010 | 2 | 0 |
| 2011 | 1 | 3 |
| 2012 | 0 | 1 |
| 2013 | 2 | 3 |
| 2014 | 1 | 3 |
| 2015 | 4 | 6 |
| 2016 | 2 | 8 |
| 2017 | 5 | 3 |
| 2018 | 5 | 5 |
| 2019 | 7 | 3 |
| 2020 | 1 | 4 |
| 2021 | 6 | 0 |
| 2022 | 3 | 0 |
| 2023 | 3 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Irrigation sprinkler with multiple patterns and rotation speeds3 Mar 2026US 12,564,848 B2Nelson Irrigation Corporation
- Wastewater spray distribution apparatus3 Sep 2024US 12,076,740 B1Spray Heads, LLC
- Sprinkler with modular components and pop up deflector with lug(s) for rotational engagement5 Sep 2023US 11,745,207 B2Nelson Irrigation Corporation
- Sprinkler head nozzle assembly with adjustable arc, flow rate and stream angle18 Jul 2023US 11,701,672 B2
- Viscous speed retarding device for rotary nozzles with internal piston for thermal expansion11 Jul 2023US RE49,573 E1Stoneage, Inc.
- Rotary nozzle with thin fluid film seal8 Jan 2026US 2026/0008070 A1Stoneage, Inc.
- High-pressure liquid rotary nozzle with friction brake10 Jul 2025US 2025/0222470 A1Stoneage, Inc.
- High-pressure liquid rotary nozzle with fluid brake mechanism19 Jun 2025US 2025/0196167 A1Stoneage, Inc.
- High pressure fluid orbital spray nozzle7 Sep 2023US 2023/0278047 A1
- Irrigation sprinkler with multiple patterns and rotation speeds16 Mar 2023US 2023/0084314 A1Nelson Irrigation Corporation
Most cited
By later US patents
- Stream propelled rotary pop-up sprinkler with adjustable sprinkling pattern126US 5,058,806 ANelson Irrigation Corporation · 1991
- Part circle rotator with improved nozzle assembly92US 5,288,022 ANelson Irrigation Corporation · 1994
- Adjustable arc, adjustable flow rate sprinkler88US 6,651,905 B2Nelson Irrigation Corporation · 2003
- Sprinkler having a flow rate compensating slow speed rotary distributor85US 4,796,811 ANelson Irrigation Corporation · 1989
- Adjustable arc, adjustable flow rate sprinkler84US 7,032,836 B2Nelson Irrigation Corporation · 2006