B08B 2203/0223
Electric motor pumps
B08B2203/0223 (Electric motor pumps) appears on 67 US grants and 121 published applications in this corpus.
Search patents in B08B- Granted patents
- 67
- Published applications
- 121
- Assignees
- 70
- Inventors
- 243
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 3 |
| 2016 | 1 | 1 |
| 2017 | 0 | 4 |
| 2018 | 1 | 13 |
| 2019 | 4 | 17 |
| 2020 | 7 | 6 |
| 2021 | 7 | 15 |
| 2022 | 6 | 7 |
| 2023 | 9 | 18 |
| 2024 | 5 | 9 |
| 2025 | 11 | 13 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for power washing with remote control operation system, method, and device and systems for remote controlled power washing11 Aug 2026US 12,704,122 B2
- Drive device for a high pressure cleaning appliance14 Jul 2026US 12,680,598 B2Alfred Kärcher GmbH & Co. KG
- Cleaning device16 Jun 2026US 12,654,204 B2Greenworks (Jiangsu) Co., Ltd.
- Pressure washer16 Jun 2026US 12,654,205 B2Semper Vista
- Fluid sprayer with covered battery14 Apr 2026US 12,599,921 B2Graco Minnesota Inc.
- Pressure washer17 Sep 2026US 2026/0273586 A1Semper Vista
- Hand-held high pressure washer6 Aug 2026US 2026/0225135 A1Jiangsu Dongcheng Tools Technology Co., Ltd.
- Wobble plate for sprayer cleaning systems18 Jun 2026US 2026/0166572 A1Techtronic Cordless GP
- Pressure washing apparatus18 Jun 2026US 2026/0166576 A1Nanjing Chervon Industry Co., Ltd.
- Pressure washer with a movable crossbar28 May 2026US 2026/0145208 A1Black & Decker Inc.
Most cited
By later US patents
- Power washing apparatus49US 5,040,950 ANorthland Aluminum Products, Inc. · 1991
- High-pressure cleaning apparatus40US 5,174,730 AAlfred Kärcher GmbH & Co. KG · 1992
- Motor-driven pump unit for a high-pressure cleaning apparatus28US 4,480,967 AAlfred Kärcher GmbH & Co. KG · 1984
- Hand-held high-pressure cleaner25US 5,071,069 ABlack & Decker Inc. · 1991
- Pressure washer having a tubular frame member16US 10,835,933 B2Kärcher North America, Inc. · 2020