FR747999A - Devices for collecting and filtering dust in vacuum cleaning devices - Google Patents

Devices for collecting and filtering dust in vacuum cleaning devices

Info

Publication number
FR747999A
FR747999A FR747999DA FR747999A FR 747999 A FR747999 A FR 747999A FR 747999D A FR747999D A FR 747999DA FR 747999 A FR747999 A FR 747999A
Authority
FR
France
Prior art keywords
devices
collecting
vacuum cleaning
filtering dust
cleaning devices
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inventia Patent Verwertungs Gesellschaft
Original Assignee
Inventia Patent Verwertungs Gesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inventia Patent Verwertungs Gesellschaft filed Critical Inventia Patent Verwertungs Gesellschaft
Application granted granted Critical
Publication of FR747999A publication Critical patent/FR747999A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/365—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the vertical type, e.g. tank or bucket type
FR747999D 1931-12-24 1932-12-23 Devices for collecting and filtering dust in vacuum cleaning devices Expired FR747999A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE400023X 1931-12-24

Publications (1)

Publication Number Publication Date
FR747999A true FR747999A (en) 1933-06-27

Family

ID=6397671

Family Applications (1)

Application Number Title Priority Date Filing Date
FR747999D Expired FR747999A (en) 1931-12-24 1932-12-23 Devices for collecting and filtering dust in vacuum cleaning devices

Country Status (2)

Country Link
FR (1) FR747999A (en)
GB (1) GB400023A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2546541B (en) 2016-01-22 2018-07-04 Dyson Technology Ltd Vacuum cleaning apparatus
GB2546543B (en) 2016-01-22 2019-01-02 Dyson Technology Ltd Separating apparatus and vacuum cleaner
GB2546542B (en) 2016-01-22 2018-07-04 Dyson Technology Ltd Vacuum cleaner

Also Published As

Publication number Publication date
GB400023A (en) 1933-10-19

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