# US 10,869,529 B2 · Hand held appliance > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,869,529 B2 - Document ID: US10869529B2 - Status: Granted - Kind: B2 - Application number: 15/914,413 - Filed: 2018-03-07 - Published: 2018-09-13 - Granted: 2020-12-22 - Earliest claimed: 2017-03-09 - Assignees: Dyson Technology Limited - Applicants: Dyson Technology Limited - Inventors: Weiyi Chia; Eric Purnama Utama Ng - Web page: https://patentgrep.com/patent/US10869529B2 ## CPC - A45D 2/00: Hair-curling or hair-waving appliances (heated curling-tongs, curling-irons A45D1/00 ){; Appliances for hair dressing treatment not otherwise provided for} - A45D 20/12: Details thereof or accessories therefor, e.g. nozzles, stands - B01D 46/24: Particle separators, e.g. dust precipitators, using rigid hollow filter bodies - A45D: HAIRDRESSING OR SHAVING EQUIPMENT (wigs, toupees or the like A41G3/00, A41G5/00; hairdressers' chairs A47C1/04; hair cutting appliances, razors B26B); EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING - B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28) ## Abstract A haircare appliance includes a handle having a fluid inlet at one end and a power cable, wherein the fluid inlet is formed at least partially around the power cable and the fluid inlet comprises a filter grille, wherein the filter grille is formed from two parts. The filter grille may extend at least partially along the length of the handle. The handle and the filter grille may be cylindrical. The two parts of the filter grille may join together to produce an assembled grille. The assembled grille may be removable from the handle of the appliance. The assembled grille may be retained around the power cable when the assembled grilled is removed from the handle of the appliance. The two parts of the filter grille may be united via a lap joint. ## Claims ### Claim 1 A haircare appliance comprising a handle for holding the haircare appliance during use, the handle comprising a fluid inlet at an end portion of the handle and a power cable extending from the end portion of the handle, wherein the fluid inlet is formed at least partially around the power cable, the fluid inlet comprises a filter grille located at the end portion of the handle, the filter grille is formed from two parts, and the two parts of the filter grille are united via a lap joint. ### Claim 2 (depends on 1) The appliance of claim 1, wherein the filter grille extends at least partially along a length of the handle. ### Claim 3 (depends on 1) The appliance of claim 1, wherein the handle and the filter grille are cylindrical. ### Claim 4 (depends on 1) The appliance of claim 1, wherein the two parts of the filter grille join together to produce an assembled grille. ### Claim 5 (depends on 4) The appliance of claim 4, wherein the assembled grille is removable from the handle of the appliance. ### Claim 6 (depends on 5) The appliance claim 5, wherein the assembled grille is retained around the power cable when the assembled grille is removed from the handle of the appliance. ### Claim 7 (depends on 1) The appliance of claim 1, wherein the filter grille has a first end and a second end and the lap joint extends from the first end to the second end. ### Claim 8 (depends on 1) The appliance of claim 1, wherein the lap joint is interlaced. ### Claim 9 (depends on 1) The appliance of claim 1, wherein the two parts are joined in sections. ### Claim 10 (depends on 9) The appliance of claim 9, wherein the filter grille has an outer surface and the two parts comprise a first part and a second part of the outer surface. ### Claim 11 (depends on 10) The appliance of claim 10, wherein the filter grille comprises a first section and in the first section, the first part comprises the outer surface. ### Claim 12 (depends on 11) The appliance of claim 11, wherein the filter grille comprises a second section and in the second section, the second part comprises the outer surface. ### Claim 13 (depends on 10) The appliance of claim 10, wherein the filter grille comprises a third section and in the third section, the first part comprises the outer surface. ### Claim 14 (depends on 10) The appliance of claim 10, wherein the filter grille comprises a fourth section and in the fourth section, the first part comprises the outer surface. ### Claim 15 (depends on 10) The appliance of claim 10, wherein the two parts are joined in three sections, and in a middle section the first part comprises the outer surface and wherein in the adjacent sections the second part comprises the outer surface. ### Claim 16 (depends on 1) The appliance of claim 1, wherein the filter grille extends at least partially across an end of the handle. ### Claim 17 (depends on 16) The appliance of claim 16, wherein the two parts are joined across the end of the handle. ### Claim 18 A haircare appliance comprising a fluid inlet for fluid flow to enter the haircare appliance, the fluid inlet formed from a filter grille that extends around an inner filter, wherein the filter grille has a longitudinal axis that defines a length of the filter grille and the filter grille is formed from two separate parts that are joined so that the two separate parts each extend the length of the filter grille. ### Claim 19 (depends on 18) The appliance of claim 18, wherein the two separate parts each comprise at least one aperture of the fluid inlet. ### Claim 20 (depends on 18) The appliance of claim 18, wherein the filter grille is barrel shaped. ### Claim 21 (depends on 18) The appliance of claim 18, wherein the two separate parts join together via a lap joint. ### Claim 22 (depends on 21) The appliance of claim 21, wherein the two separate parts join together via a pair of lap joints. ### Claim 23 (depends on 22) The appliance of claim 22, wherein the lap joint is interlaced. ### Claim 24 (depends on 23) The appliance of claim 23, wherein the filter grille has an outer surface and, along the lap joint, each of the two separate parts provides a portion of the outer surface. ### Claim 25 (depends on 1) The appliance of claim 1, wherein the appliance is a hairdryer. ### Claim 26 (depends on 1) The appliance of claim 1, wherein the appliance is a hot styling device.