A45D 2/14
Of single-piece type
Official title: of single-piece type, e.g. stiff rods or tubes with or without cord, band, or the like as hair-fastening means
A45D2/14 (Of single-piece type) appears on 166 US grants and 102 published applications in this corpus.
Search patents in A45D- Granted patents
- 166
- Published applications
- 102
- Assignees
- 58
- Inventors
- 257
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 11 | 1 |
| 2003 | 2 | 5 |
| 2004 | 2 | 5 |
| 2005 | 1 | 2 |
| 2006 | 4 | 3 |
| 2007 | 2 | 6 |
| 2008 | 1 | 3 |
| 2009 | 2 | 3 |
| 2010 | 2 | 4 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 1 | 3 |
| 2014 | 3 | 5 |
| 2015 | 3 | 3 |
| 2016 | 5 | 4 |
| 2017 | 1 | 4 |
| 2018 | 0 | 10 |
| 2019 | 2 | 7 |
| 2020 | 4 | 4 |
| 2021 | 3 | 1 |
| 2022 | 5 | 9 |
| 2023 | 3 | 3 |
| 2024 | 4 | 3 |
| 2025 | 4 | 6 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hair styler20 Aug 2026US 2026/0240298 A1LG Electronics Inc.
- Heatless Hair Curler with Bend-Retentive Support Assembly30 Jul 2026US 2026/0215564 A1Savvy Six Enterprises Inc.
- Hair styling utensil and method of manufacture9 Jul 2026US 2026/0191309 A1Maelle AG
- Hair curling accessories11 Jun 2026US 2026/0157496 A1
- Hair curler with button for manual control of forward and reverse rotation12 Mar 2026US 2026/0069014 A1Millplan Electric Appliance (Shen Zhen) Co., Limited
Most cited
By later US patents
- Hydrophilic foam pad for hair styling111US 5,261,426 ACreative Products Resource Associates, Ltd. · 1993
- Bendable lightweight article for personal grooming and method of making55US 4,648,414 ACel Co., Inc. · 1987
- Hair roller44US 4,540,006 A1985
- Hair accessory device made of vinyl plastisol42US 5,664,589 AAffect, Inc. · 1997
- Heatable flexible hair curlers39US 4,834,118 AClairol Incorporated · 1989