E01H 1/0872
With mechanical loosening or feeding instruments for the dirt to be removed
Official title: {with mechanical loosening or feeding instruments for the dirt to be removed pneumatically, e.g. brushes, scrapers (brushing installations per se E01H1/02; other loosening devices per se E01H1/105)}
E01H1/0872 (With mechanical loosening or feeding instruments for the dirt to be removed) appears on 34 US grants and 20 published applications in this corpus.
Search patents in E01H- Granted patents
- 34
- Published applications
- 20
- Assignees
- 21
- Inventors
- 39
- Latest grant
- 18 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 7 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Vehicle assisted working device, cleaning system, and method using the same18 Jun 2024US 12,012,704 B2Trombia Technologies Oy
- Blowing-suction machine16 Mar 2021US 10,945,384 B2Ningbo Daye Power Machinery Co., Ltd.
- Vehicle assisted cleaning method16 Feb 2021US 10,920,385 B2Snowek Oy
- Tunnel cleaning device1 Dec 2020US 10,850,313 B2Brügger HTB GmbH
- Vehicle assisted cleaning device and system1 Dec 2020US 10,851,504 B2Snowek Oy
- Vehicle assisted working device, cleaning system and method3 Jun 2021US 2021/0164180 A1Snowek Oy
- Vehicle assisted cleaning method16 Jan 2020US 2020/0018026 A1Snowek Oy
- Blowing-suction machine26 Sep 2019US 2019/0289798 A1Ningbo Daye Power Machinery Co., Ltd.
- Tunnel cleaning device27 Dec 2018US 2018/0369884 A1Brügger HTB GmbH
- Vehicle assisted cleaning method8 Nov 2018US 2018/0320329 A1Snowek Oy
Most cited
By later US patents
- Broom assisted pick-up head123US 5,542,148 ATymco, Inc. · 1996
- Surface maintenance machine having air recirculation34US 4,310,944 ATennant Company · 1982
- Continuous sweep for road planing and milling machines21US 4,561,145 A1985
- Scattered objects collector21US 5,848,521 AKioritz Corporation · 1998
- Debris suctioning and separating apparatus for use in a surface cleaning vehicle having a recirculating type debris suctioning system20US 6,122,797 A2000