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  1. Technology classes
  2. /A · Human necessities
  3. /A45 · Hand or travelling articles
  4. /A45D · Hairdressing or shaving equipment
  5. /A45D 4/00 · Separate devices designed for heating hair curlers or hair-wavers
  6. /A45D 4/02 · Separate devices designed for heating hair curlers or hair-wavers: for steep curling
  7. /A45D 4/06
A45D 4/06

Heated by electricity

Official title: heated by electricity

A45D4/06 (Heated by electricity) appears on 7 US grants and 15 published applications in this corpus.

Search patents in A45D

Where it sits

  1. AHuman necessities
  2. A45Hand or travelling articles
  3. A45DHairdressing or shaving equipment
  4. A45D 4/00Separate devices designed for heating hair curlers or hair-wavers
  5. A45D 4/02Separate devices designed for heating hair curlers or hair-wavers: for steep curling
  6. A45D 4/06Heated by electricity
Granted patents
7
Published applications
15
Assignees
7
Inventors
18
Latest grant
15 Jul 2025

Filings by year

Granted patentsPublished applications
A45D 4/06: granted patents and published applications per publication year
YearGranted patentsPublished applications
199410
199500
199600
199700
199800
199900
200000
200100
200200
200300
200400
200500
200600
200700
200801
200900
201002
201100
201210
201302
201403
201500
201620
201701
201800
201912
202000
202100
202211
202300
202400
202513

1994200420142025

By publication year. Applications have been published since 2001.

Recent patents

  • Hair curling system15 Jul 2025US 12,357,069 B2Cali-Curl, LLC
  • Hair curling system2 Aug 2022US 11,399,610 B2Cali-Curl, LLC
  • Hair curling system15 Oct 2019US 10,441,046 B2Cali-Curl, LLC
  • Heated hair curler with hinged hair grip and applicator handle6 Sep 2016US 9,433,272 B2
  • Hair styling device5 Jan 2016US 9,226,560 B1
  • Heating Unit for Rollers Employing Magnetic Inductance6 Nov 2025US 2025/0338937 A1The Original Heatwaeve LLC
  • Hair roller5 Jun 2025US 2025/0176693 A1Dyson Technology Limited
  • Hair roller22 May 2025US 2025/0160496 A1Dyson Technology Limited
  • Hair curling system17 Nov 2022US 2022/0361641 A1Cali-Curl, LLC
  • Hair curling system26 Dec 2019US 2019/0387858 A1Cali-Curl, LLC

Most cited

By later US patents
  • Hair setting apparatus12US 5,365,953 AFibrous Keratin Pty Limited · 1994
  • Hair styling device11US 9,226,560 B12016
  • Plug-in heater for hot curlers3US 8,212,186 B2Create Co., Ltd. · 2012
  • Hair curling system2US 10,441,046 B2Cali-Curl, LLC · 2019
  • Hair curling system2US 11,399,610 B2Cali-Curl, LLC · 2022

Top assignees

Documents
  • CCCali-Curl, LLC6
  • CCreate Co., Ltd.2
  • DTDyson Technology Limited2
  • FKFibrous Keratin Pty Limited1
  • HSHigh Sun Industrial (H.K.) Ltd.1
  • TWTai Wah Distributors Pte Ltd1
  • OHThe Original Heatwaeve LLC1

Often classified with

  • H05BElectric heating2

Documents that also carry the other class.

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