# US 10,500,299 B2 · Encapsulated air freshener for home AC

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- Number: US 10,500,299 B2
- Document ID: US10500299B2
- Status: Granted
- Kind: B2
- Application number: 15/647,115
- Filed: 2017-07-11
- Published: 2018-05-24
- Granted: 2019-12-10
- Earliest claimed: 2016-05-11
- Applicants: Ekaterina Lalo
- Inventors: Ekaterina Lalo
- Web page: https://patentgrep.com/patent/US10500299B2

## CPC

- A61L 9/12: Apparatus, e.g. holders, therefor
- A61L 9/04: using substances evaporated in the air without heating
- B60H 3/0028: {on or near an air outlet}
- F24F 3/12: characterised by the treatment of the air otherwise than by heating and cooling
- A61L 2209/133: Replaceable cartridges, refills
- A61L 2209/15: Supporting means, e.g. stands, hooks, holes for hanging
- A61L 2209/16: Connections to a HVAC unit
- A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K)
- B60H: ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- F24F: AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced B08B15/00; vertical ducts for carrying away waste gases from buildings E04F17/02; tops for chimneys or ventilating shafts, terminals for flues F23L17/02)

## Abstract

An encapsulated air freshener device employing a forced air means to diffuse fragrant air throughout an environment from a cartridge that is housed in a perforated device. The device is configured to be attached to the grills of a vent of an AC unit and blend in seamlessly with the vent cover. The air freshener device is aesthetically pleasing, easy to install, and easy to maintain.

## Claims

### Claim 1

A method of introducing a fragrance into an environment comprising:
obtaining an air vent with grills;
obtaining an air freshener device comprising: a tube with a first end and a second end, wherein the tube is perforated; a cartridge that is configured to fit within the tube; at least one closing cup, wherein the closing cup is configured to cap the first or second end of the tube; and, at least one attachment unit that is fixed to at least one closing cup;
introducing a fragrance to the cartridge;
inserting the cartridge into the tube that is capped on one end;
capping the other end of the tube;
inserting the attachment units into the grill of an air vent;
turning on an air conditioning unit, whereby the forced air flows through the perforated holes of the tube and the cartridge to disperse the fragrance throughout the environment; and,
wherein the attachment unit is a ball.

### Claim 2

A method of introducing a fragrance into an environment comprising:
obtaining an air vent with grills;
obtaining an air freshener device comprising: a tube with a first end and a second end, wherein the tube is perforated; a cartridge that is configured to fit within the tube; at least one closing cup, wherein the closing cup is configured to cap the first or second end of the tube; and, at least one attachment unit that is fixed to at least one closing cup;
introducing a fragrance to the cartridge;
inserting the cartridge into the tube that is capped on one end;
capping the other end of the tube;
inserting the attachment units into the grill of an air vent;
turning on an air conditioning unit, whereby the forced air flows through the perforated holes of the tube and the cartridge to disperse the fragrance throughout the environment; and,
wherein the attachment unit is silicone.

### Claim 3

A method of introducing a fragrance into an environment comprising:
obtaining an air vent with grills;
obtaining an air freshener device comprising: a tube with a first end and a second end, wherein the tube is perforated; a cartridge that is configured to fit within the tube; at least one closing cup, wherein the closing cup is configured to cap the first or second end of the tube; and, at least one attachment unit that is fixed to at least one closing cup;
introducing a fragrance to the cartridge;
inserting the cartridge into the tube that is capped on one end;
capping the other end of the tube;
inserting the attachment units into the grill of an air vent;
turning on an air conditioning unit, whereby the forced air flows through the perforated holes of the tube and the cartridge to disperse the fragrance throughout the environment; and,
wherein the attachment unit is fixed to the closing cup via a pin.