B26F 1/18
Perforating by slitting, i.e. forming cuts closed at their ends without removal
Official title: Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
B26F1/18 (Perforating by slitting, i.e. forming cuts closed at their ends without removal) appears on 490 US grants and 445 published applications in this corpus.
Search patents in B26F- Granted patents
- 490
- Published applications
- 445
- Assignees
- 305
- Inventors
- 871
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 8 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 10 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 15 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 14 | 0 |
| 1997 | 11 | 0 |
| 1998 | 16 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 2 |
| 2002 | 8 | 13 |
| 2003 | 7 | 11 |
| 2004 | 10 | 17 |
| 2005 | 13 | 21 |
| 2006 | 8 | 12 |
| 2007 | 7 | 18 |
| 2008 | 1 | 20 |
| 2009 | 0 | 13 |
| 2010 | 10 | 19 |
| 2011 | 11 | 20 |
| 2012 | 13 | 19 |
| 2013 | 15 | 15 |
| 2014 | 13 | 16 |
| 2015 | 12 | 16 |
| 2016 | 12 | 25 |
| 2017 | 9 | 20 |
| 2018 | 15 | 21 |
| 2019 | 22 | 20 |
| 2020 | 20 | 18 |
| 2021 | 19 | 25 |
| 2022 | 16 | 24 |
| 2023 | 17 | 18 |
| 2024 | 20 | 17 |
| 2025 | 14 | 18 |
| 2026 | 10 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and method for producing a locking ring on a closure cap for a container6 Oct 2026US 12,752,453 B2Packsys Global AG
- Systems and methods for web-fed dry forming of fiber-based products11 Aug 2026US 12,703,166 B2Footprint International, LLC
- Machine and method for applying tubular shrink sleeve material to objects23 Jun 2026US 12,661,821 B2Axon Corporation
- Hard taco shell and method and apparatus for producing the hard taco shell16 Jun 2026US 12,653,197 B2General Mills, Inc.
- Apparatus and method for producing a locking ring on a closure cap for a container5 May 2026US 12,617,114 B2Packsys Global AG
- Apparatus and method for producing a locking ring on a closure cap for a container20 Aug 2026US 2026/0241604 A1Packsys Global AG
- Apparatus and method for producing a locking ring on a closure cap for a container20 Aug 2026US 2026/0241605 A1Packsys Global AG
- Device and method for weakening a sheet of aerosol-generating substrate for an aerosol-generating article component6 Aug 2026US 2026/0223912 A1Philip Morris Products S. A.
- Support device for a blade, cutting or perforating device comprising the support device, and machine9 Apr 2026US 2026/0097537 A1Valmet Tissue Converting S.p.A.
- Apparatus and method for producing absorbent bed pads or absorbent pet mats5 Mar 2026US 2026/0060848 A1GDM S.p. A.
Most cited
By later US patents
- Elastic laminate web208US 6,830,800 B2The Procter & Gamble Company · 2004
- Applications for laminate web187US 6,878,433 B2The Procter & Gamble Company · 2005
- Laminate web comprising an apertured layer and method for manufacturing thereof178US 7,037,569 B2The Procter & Gamble Company · 2006
- User-activatible substance delivery system167US 6,863,960 B2The Procter & Gamble Company · 2005
- Perforated nonwoven fabrics147US 5,714,107 AKimberly-Clark Worldwide, Inc. · 1998