B65H 2404/181
With cavities or projections at least at one layer
Official title: with cavities or projections at least at one layer
B65H2404/181 (With cavities or projections at least at one layer) appears on 74 US grants and 20 published applications in this corpus.
Search patents in B65H- Granted patents
- 74
- Published applications
- 20
- Assignees
- 44
- Inventors
- 127
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 2 |
| 2002 | 3 | 1 |
| 2003 | 8 | 5 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Paper feeding roll and method for manufacturing same17 Jun 2025US 12,330,901 B2Sumitomo Riko Company Limited
- Sheet feed shaft, manufacturing device for the same, and method for manufacturing the same5 Sep 2023US 11,745,968 B1Tecsia Machinery Corporation
- Feed pull roll system with detachable elastomeric feed-roll covers and process for cover replacement15 Mar 2022US 11,274,004 B2
- Medium transport device, printing apparatus, and method for manufacturing medium transport device15 Dec 2020US 10,865,062 B2Seiko Epson Corporation
- Roller, separation device, image reading apparatus, and recording apparatus4 Feb 2020US 10,554,832 B2Seiko Epson Corporation
- Paper feeding roll and method for manufacturing same30 Nov 2023US 2023/0382672 A1Sumitomo Riko Company Limited
- Medium transport device, printing apparatus, and method for manufacturing medium transport device3 Oct 2019US 2019/0299666 A1Seiko Epson Corporation
- Feed Pull Roll System with Detachable Elastomeric Feed-Roll Covers and Process for Cover Replacement18 Jul 2019US 2019/0218039 A1Sun Automation, Inc.
- Roller, separation device, image reading apparatus, and recording apparatus18 Oct 2018US 2018/0297797 A1Seiko Epson Corporation
- Roller, separation device, image reading apparatus, and recording apparatus18 Oct 2018US 2018/0302523 A1Seiko Epson Corporation
Most cited
By later US patents
- Machine and process for placing discrete components on a moving web with velocity matched placement and integral bonding65US 6,149,755 AKimberly-Clark Worldwide, Inc. · 2000
- Elastic rotatable member48US 4,842,944 ACanon Kabushiki Kaisha · 1989
- Novel wear-resistant laser-engraved ceramic or metallic carbide surfaces for friction rolls for working elongate members, method for producing same and method for working elongate members using the novel friction roll46US 4,794,680 AUnion Carbide Corporation · 1989
- Pneumatic rollers and paper handling arrangements46US 5,913,268 AXerox Corporation · 1999
- Sheet transporting device37US 5,988,635 ASeiko Epson Corporation · 1999