B31F 1/30
Tools secured to endless chains
Official title: Tools secured to endless chains {, e.g. toothed belts; combined with uniting the corrugated web to flat webs}
B31F1/30 (Tools secured to endless chains) appears on 30 US grants and 13 published applications in this corpus.
Search patents in B31F- Granted patents
- 30
- Published applications
- 13
- Assignees
- 18
- Inventors
- 38
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drum lagging material12 May 2026US 12,623,429 B2Albany International Corp.
- Drum lagging material1 Jul 2025US 12,343,956 B2Albany International Corp.
- Automatic machine for providing corrugated sheet-like elements and vane for said machine9 Jun 2020US 10,675,831 B2Grifal S.P.A.
- Automatic machine for providing corrugated sheet-like elements23 Apr 2019US 10,265,921 B2Grifal S.P.A.
- Automatic machine for producing corrugated sheet-like elements, particularly for packaging, thermal insulation, soundproofing, and the like10 Jul 2012US 8,215,363 B2Interwave S.R.L.
- Drum Lagging Material8 May 2025US 2025/0144908 A1Albany International Corp.
- Drum Lagging Material20 Feb 2025US 2025/0058542 A1Albany International Corp.
- Device having a feed roll and a self-adhesive fastener, and associated method and machine10 Jan 2019US 2019/0009492 A1Bricq
- Automatic machine for providing corrugated sheet-like elements and vane for said machine18 Jan 2018US 2018/0015683 A1Grifal S.P.A.
- Automatic machine for providing corrugated sheet-like elements9 Feb 2017US 2017/0036411 A1Interwave S.R.L.
Most cited
By later US patents
- Fibrous filtration face mask having corrugated polymeric microfiber filter layer86US 5,656,368 AMinnesota Mining and Manufacturing Company · 1997
- Method of making a corrugated nonwoven web of polymeric microfiber74US 5,620,545 AMinnesota Mining and Manufacturing Company · 1997
- Corrugated nonwoven webs of polymeric microfiber59US 6,010,766 A3M Innovative Properties Company · 2000
- Fibrous filtration face mask having corrugated polymeric microfiber filter layer48US 5,804,295 AMinnesota Mining and Manufacturing Company · 1998
- Filter having corrugated nonwoven webs of polymeric microfiber45US 5,763,078 AMinnesota Mining and Manufacturing Company · 1998