G01N 33/447
Leather
Official title: {Leather}
G01N33/447 (Leather) appears on 15 US grants and 14 published applications in this corpus.
Search patents in G01N- Granted patents
- 15
- Published applications
- 14
- Assignees
- 15
- Inventors
- 54
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 4 |
| 2020 | 1 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 2 |
| 2023 | 2 | 2 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Inspecting machine for leather and inspection method applicable to said machine23 Sep 2025US 12,422,372 B2
- Method for authentication of animal species origin of leather products1 Jul 2025US 12,345,698 B2Chinese Academy of Inspection and Quarantine
- Diagnostic support for skins and inspection method of skin21 Nov 2023US 11,821,888 B2Epica International, Inc.
- Leather inspection system6 Jun 2023US 11,668,694 B2NIKE, Inc.
- Diagnostic support for skins and inspection method of skin14 Dec 2021US 11,199,531 B2Epica International, Inc.
- Tracking hide and leather in a supply chain process9 Nov 2023US 2023/0358723 A1
- Inspecting machine for leather and inspection method applicable to said machine19 Oct 2023US 2023/0333026 A1Brevetti CEA SpA
- Method for authentication of animal species origin of leather products21 Jul 2022US 2022/0229040 A1Chinese Academy of Inspection and Quarantine
- Diagnostic support for skins and inspection method of skin31 Mar 2022US 2022/0099652 A1Epica International, Inc.
- Leather Inspection System8 Jul 2021US 2021/0208126 A1NIKE, Inc.
Most cited
By later US patents
- Method for nesting contours to be cut out of natural leather66US 5,258,917 ADurkopp Systemtechnik GmbH · 1993
- Visual inspection system for leather hide29US 6,157,730 A2000
- Apparatus for measuring the moisture vapor transmission rate of a shoe10US 6,487,891 B2Nottington Holding B. V. · 2002
- Skin categorizing apparatus8US 4,360,887 AEdward Wilson and Son Ltd. · 1982
- Method and apparatus for the determination of moisture content of fibrous and granular materials3US 4,408,482 ATsentralny Nauchno-Issledovatelsky Institut Kozhevenno-Obuvnoi Promyshlennosti · 1983