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Patents Grants
last 30 patents
Information
Patent Grant
Upright dust collector
Patent number
D1008585
Issue date
Dec 19, 2023
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
D32 - Washing, cleaning, or drying machine
Information
Patent Grant
Upright two-stage dust collector
Patent number
11,311,830
Issue date
Apr 26, 2022
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Dust collector with convenient loading and unloading dust collectin...
Patent number
11,284,763
Issue date
Mar 29, 2022
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Assembled air cleaner
Patent number
11,266,938
Issue date
Mar 8, 2022
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Fixing device for the dust bag of a dust collector
Patent number
10,799,822
Issue date
Oct 13, 2020
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Transverse secondary dust collector
Patent number
10,617,989
Issue date
Apr 14, 2020
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter cylinder having dust cleaning device of dust collector
Patent number
10,363,512
Issue date
Jul 30, 2019
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Dust collector provided with a shunt guide plate
Patent number
10,363,511
Issue date
Jul 30, 2019
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Buckle mechanism of dust collecting barrel of bag-type dust collector
Patent number
10,265,652
Issue date
Apr 23, 2019
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Dust collector capable of recollecting particulate dust in the filt...
Patent number
10,183,250
Issue date
Jan 22, 2019
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Forcing and fixing structure for the filter cylinders of a filter c...
Patent number
10,058,811
Issue date
Aug 28, 2018
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Dust collector
Patent number
D816740
Issue date
May 1, 2018
SAN FORD MACHINERY CO., LTD.
Yuan-Tai Cheng
D15 - Machines not elsewhere specified
Information
Patent Grant
Dust collector
Patent number
D815375
Issue date
Apr 10, 2018
San Ford Machinery Co., Ltd.
Mao-Nan Cheng
D32 - Washing, cleaning, or drying machine
Information
Patent Grant
Dust collector
Patent number
D813919
Issue date
Mar 27, 2018
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
D15 - Machines not elsewhere specified
Information
Patent Grant
Dust collector
Patent number
D805266
Issue date
Dec 12, 2017
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
D32 - Washing, cleaning, or drying machine
Information
Patent Grant
Dust collector
Patent number
D804116
Issue date
Nov 28, 2017
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
D32 - Washing, cleaning, or drying machine
Information
Patent Grant
Dust collector able to prop open a fallen dust bag
Patent number
9,566,592
Issue date
Feb 14, 2017
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter cartridge structure having high efficiency particulate air f...
Patent number
9,333,452
Issue date
May 10, 2016
San Ford Machinery Co., Ltd.
Chieh-Yuan Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Loading mechanism of dust-collecting apparatus
Patent number
8,695,158
Issue date
Apr 15, 2014
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Explosion-proof decompression plate
Patent number
8,418,412
Issue date
Apr 16, 2013
San Ford Machinery Co., Ltd.
Mao-Nan Cheng
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Grant
Dust collector
Patent number
D651775
Issue date
Jan 3, 2012
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
D32 - Washing, cleaning, or drying machine
Information
Patent Grant
Air filter with a clog-detecting device
Patent number
8,083,841
Issue date
Dec 27, 2011
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Collapsible filtration tank for a dust collector
Patent number
8,029,590
Issue date
Oct 4, 2011
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Oil mist separator
Patent number
7,931,718
Issue date
Apr 26, 2011
San Ford Machinery Co., Ltd.
Mao-Nan Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Dust collector
Patent number
D630391
Issue date
Jan 4, 2011
San Ford Machinery Co., Ltd.
Mao-Nan Cheng
D32 - Washing, cleaning, or drying machine
Information
Patent Grant
Dust collector
Patent number
D629576
Issue date
Dec 21, 2010
San Ford Machinery Co., Ltd.
Yuan-Tai Cheng
D32 - Washing, cleaning, or drying machine
Information
Patent Grant
Dust collector
Patent number
D629575
Issue date
Dec 21, 2010
San Ford Machinery Co., Ltd.
Mao-Nan Cheng
D32 - Washing, cleaning, or drying machine
Information
Patent Grant
Negative pressure dust collector with a dust receiving bag smoothly...
Patent number
7,695,538
Issue date
Apr 13, 2010
San Ford Machinery Co., Ltd.
Yun-Tai Cheng
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Dust collector with a function of secondary collection
Patent number
7,695,537
Issue date
Apr 13, 2010
San Ford Machinery Co., Ltd.
Chieh-Yuan Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Dry spray device
Patent number
7,455,580
Issue date
Nov 25, 2008
San Ford Machinery Co., Ltd.
Chieh-Yuan Cheng
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Patents Applications
last 30 patents
Information
Patent Application
DUST COLLECTOR WITH CONVENIENT LOADING AND UNLOADING DUST COLLECTIN...
Publication number
20220031135
Publication date
Feb 3, 2022
SAN FORD MACHINERY CO., LTD.
Yuan-Tai CHENG
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
UPRIGHT TWO-STAGE DUST COLLECTOR
Publication number
20210245080
Publication date
Aug 12, 2021
SAN FORD MACHINERY CO., LTD.
Yuan-Tai CHENG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ASSEMBLED AIR CLEANER
Publication number
20210101102
Publication date
Apr 8, 2021
SAN FORD MACHINERY CO., LTD.
Yuan-Tai CHENG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FIXING DEVICE FOR THE DUST BAG OF A DUST COLLECTOR
Publication number
20200061508
Publication date
Feb 27, 2020
SAN FORD MACHINERY CO., LTD.
Yuan-Tai CHENG
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
TRANSVERSE SECONDARY DUST COLLECTOR
Publication number
20190299141
Publication date
Oct 3, 2019
SAN FORD MACHINERY CO., LTD.
Yuan-Tai CHENG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HANDLE HAVING AIRTIGHTNESS FUNCTION USED FOR CASING OF NEGATIVE PRE...
Publication number
20190194986
Publication date
Jun 27, 2019
SAN FORD MACHINERY CO., LTD.
Yuan-Tai CHENG
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
BUCKLE MECHANISM OF DUST COLLECTING BARREL OF TWO-STAGE DUST COLLECTOR
Publication number
20190133393
Publication date
May 9, 2019
SAN FORD MACHINERY CO., LTD.
Yuan-Tai Cheng
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
FILTER CYLINDER HAVING DUST CLEANING DEVICE OF DUST COLLECTOR
Publication number
20180345199
Publication date
Dec 6, 2018
SAN FORD MACHINERY CO., LTD.
Yuan-Tai CHENG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER CYLINDER HAVING DUST CLEANING DEVICE OF DUST COLLECTOR
Publication number
20180345200
Publication date
Dec 6, 2018
SAN FORD MACHINERY CO., LTD.
Yuan-Tai CHENG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DUST COLLECTOR PROVIDED WITH A SHUNT GUIDE PLATE
Publication number
20180339257
Publication date
Nov 29, 2018
SAN FORD MACHINERY CO., LTD.
Yuan-Tai CHENG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Dust collector capable of recollecting particulate dust in the filt...
Publication number
20180169558
Publication date
Jun 21, 2018
SAN FORD MACHINERY CO., LTD.
Yuan-Tai CHENG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FORCING AND FIXING STRUCTURE FOR THE FILTER CYLINDERS OF A FILTER C...
Publication number
20160339374
Publication date
Nov 24, 2016
SAN FORD MACHINERY CO., LTD.
Yuan-Tai CHENG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER CARTRIDGE STRUCTURE HAVING HIGHT EFFICIENCY PARTICULATE AIR...
Publication number
20160059169
Publication date
Mar 3, 2016
SAN FORD MACHINERY CO., LTD.
Chieh-Yuan Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DUST-COLLECTING DEVICE OF A SECONDARY DUST-COLLECTING MACHINE
Publication number
20150096446
Publication date
Apr 9, 2015
SAN FORD MACHINERY CO., LTD.
Yun-Tai CHENG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DETACHABLE AIR FILTER MACHINE
Publication number
20120131892
Publication date
May 31, 2012
SAN FORD MACHINERY CO., LTD.
Mao-Nan Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
AUTOMATIC DUST DEBRIS CLEARING APPARATUS FOR A FILTER DRUM IN A DUS...
Publication number
20090229230
Publication date
Sep 17, 2009
SAN FORD MACHINERY CO., LTD.
Mao-Nan Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Oil fog separator
Publication number
20080202344
Publication date
Aug 28, 2008
SAN FORD MACHINERY CO., LTD.
Chieh-Yuan Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Negative pressure tabletop dust collecting machine
Publication number
20070151067
Publication date
Jul 5, 2007
SAN FORD MACHINERY CO., LTD.
Chieh-Yuan Cheng
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Dust-sucking arm of an air cleaning machine
Publication number
20070044268
Publication date
Mar 1, 2007
SAN FORD MACHINERY CO., LTD.
Chieh-Yuan Cheng
B08 - CLEANING
Information
Patent Application
Remote controller for a big-horsepower wood-waste collecting machine
Publication number
20060280503
Publication date
Dec 14, 2006
SAN FORD MACHINERY CO., LTD.
Chieh-Yuan Cheng
G08 - SIGNALLING
Information
Patent Application
Drying device for a wood-waste collecting machine
Publication number
20060277784
Publication date
Dec 14, 2006
SAN FORD MACHINERY CO., LTD.
Chieh-Yuan Cheng
F26 - DRYING
Information
Patent Application
Air inlet for a two-stage dust collecting machine
Publication number
20060213160
Publication date
Sep 28, 2006
SAN FORD MACHINERY CO., LTD.
Chieh-Yuan Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Oil gas filtering device
Publication number
20060168921
Publication date
Aug 3, 2006
SAN FORD MACHINERY CO., LTD.
Chieh-Yuan Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Positioning device for the dust-collecting bag of a dust-collecting...
Publication number
20060137312
Publication date
Jun 29, 2006
SAN FORD MACHINERY CO., LTD.
Chieh-Yuan Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Dry spray device
Publication number
20060107897
Publication date
May 25, 2006
SAN FORD MACHINERY CO., LTD.
Chieh-Yuan Cheng
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
Dust-bag previously pressing hook for a dust collecting machine
Publication number
20060107631
Publication date
May 25, 2006
SAN FORD MACHINERY CO., LTD.
Yuan-Tai Cheng
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Tabletop wood-waste-collecting machine
Publication number
20060096054
Publication date
May 11, 2006
SAN FORD MACHINERY CO., LTD.
Chieh-Yuan Cheng
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Wooden debris compressor
Publication number
20060096472
Publication date
May 11, 2006
SAN FORD MACHINERY CO., LTD.
Chieh-Yuan Cheng
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Application
Movable spray painting stand
Publication number
20060048488
Publication date
Mar 9, 2006
SAN FORD MACHINERY CO., LTD.
Cheih-Yuan Cheng
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Dust collector with an invertible wind exhausting case
Publication number
20060021306
Publication date
Feb 2, 2006
SAN FORD MACHINERY CO., LTD.
Chieh-Yuan Cheng
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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