E01H 1/02
Brushing apparatus
Official title: Brushing apparatus, {e.g. with auxiliary instruments for mechanically loosening dirt}({E01H1/003, E01H1/005, E01H1/006 and} E01H1/08 - E01H1/14 take precedence; {loosening by means of gas jets or streams E01H1/0818, E01H1/0872; with brushes functioning under vacuum or combined with independent suction nozzles E01H1/0827; loosening by means of liquid streams E01H1/101; mechanical loosening instruments other than brushes E01H1/105; for railway tracks E01H8/00}; brushes in general A46B; {for floors or similar surfaces A47L11/22, A47L11/24})
E01H1/02 (Brushing apparatus) appears on 381 US grants and 267 published applications in this corpus.
Search patents in E01H- Granted patents
- 381
- Published applications
- 267
- Assignees
- 174
- Inventors
- 637
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 2 | 0 |
| 1982 | 8 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 10 | 0 |
| 1989 | 11 | 0 |
| 1990 | 13 | 0 |
| 1991 | 8 | 0 |
| 1992 | 1 | 0 |
| 1993 | 9 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 6 | 3 |
| 2002 | 5 | 8 |
| 2003 | 8 | 4 |
| 2004 | 4 | 19 |
| 2005 | 7 | 9 |
| 2006 | 7 | 10 |
| 2007 | 5 | 8 |
| 2008 | 5 | 4 |
| 2009 | 7 | 12 |
| 2010 | 8 | 3 |
| 2011 | 7 | 6 |
| 2012 | 8 | 7 |
| 2013 | 3 | 7 |
| 2014 | 7 | 8 |
| 2015 | 9 | 6 |
| 2016 | 6 | 13 |
| 2017 | 9 | 12 |
| 2018 | 7 | 16 |
| 2019 | 15 | 12 |
| 2020 | 16 | 13 |
| 2021 | 11 | 16 |
| 2022 | 12 | 21 |
| 2023 | 13 | 13 |
| 2024 | 16 | 25 |
| 2025 | 10 | 7 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Floor cleaning machine and method for operating a floor cleaning machine8 Sep 2026US 12,727,727 B2Alfred Kärcher GmbH & Co. KG
- Curb broom device and system14 Jul 2026US 12,680,247 B2CMC Equipment, Inc.
- Curb broom device26 May 2026US 12,637,817 B2
- Systems and methods for litter collection and removal5 May 2026US 12,618,210 B2
- Self-propelled sweeping machine21 Oct 2025US 12,448,744 B2Aebi Schmidt Deutschland GmbH
- Dish brush with mountable segmental flat-plated ring-shaped elements with brush plugs24 Sep 2026US 2026/0286630 A1
- Curb broom device and system16 Jul 2026US 2026/0201660 A1
- Working machine18 Jun 2026US 2026/0168208 A1Kubota Corporation
- Roller device and cleaning apparatus11 Jun 2026US 2026/0157592 A1Midea Robozone Technology Co., Ltd.
- Systems for setting and programming zoning for use by autonomous modular robots1 Jan 2026US 2026/0003352 A1ViaBot Inc.
Most cited
By later US patents
- Mobile surface cleaning machine201US 5,239,720 AAdvance Machine Company · 1993
- Hopper and filter chamber for direct forward throw sweeper184US 5,303,448 ATennant Company · 1994
- Floor and bounded surface sweeper machine170US 4,716,621 ADulevo S.p.A. · 1988
- Sweeping machine146US 6,324,714 B1Alfred Kaercher GmbH & Co. KG · 2001
- Stacked tools for overthrow sweeping124US 6,421,870 B1Tennant Company · 2002