Inventor

Seyed A. Angadjivand

Inventor
Woodbury, MN, US

Overview

55→
Patents
1987–2021
Patent span
Textiles
Primary field (CPC D)

Patents· 55 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y10Tprimary
Y10TTechnical subjects covered by former us classification14%
A62BDevices, apparatus or methods for life-saving11%
B01DSeparation11%
D04HMaking textile fabrics, e.g. from fibres or filamentary material10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials8%
A41DOuterwear6%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids4%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
PatentTitleYear
11,033,763Respirator including polymeric netting and method of forming same202110,653,901Respirator having elastic straps having openwork structure202010,575,571Flat-fold respirator with monocomponent filtration/stiffening monolayer202010,245,537Molded respirator having outer cover web joined to mesh201910,130,833Reinforced filter media20189,770,058'Flat-fold respirator with monocomponent filtration/stiffening monolayer'20179,216,306'Filter element that has plenum containing bonded continuous filaments'20158,721,402'Dust collection device for sanding tool'2014D0697199'Respiratory mask'2014D0695886'Respiratory mask'20138,580,182'Process of making a molded respirator'20138,512,434'Molded monocomponent monolayer respirator'20138,506,871'Process of making a monocomponent non-woven web'20138,506,669'Pleated filter with monolayer monocomponent meltspun media'20138,372,175'Pleated filter with bimodal monolayer monocomponent media'20138,070,862'Dust collection device for sanding tool'20118,029,723'Method for making shaped filtration articles'20117,989,372'Molded respirator comprising meltblown fiber web with staple fibers'20117,989,371'Meltblown fiber web with staple fibers'20117,947,142'Pleated filter with monolayer monocomponent meltspun media'20117,905,973'Molded monocomponent monolayer respirator'20117,902,096'Monocomponent monolayer meltblown web and meltblowing apparatus'20117,858,163'Molded monocomponent monolayer respirator with bimodal monolayer monocomponent media'20107,754,041'Pleated filter with bimodal monolayer monocomponent media'20107,628,829'Abrasive article and method of making and using the same'20097,390,244'Abrasive article mounting assembly and methods of making same'20087,244,170'Abrasive article and methods of making same'20076,953,544'Method of making a respirator that has a fluorinated electret'20056,923,182'Crush resistant filtering face mask'20056,849,329'Charged microfibers, microfibrillated articles and use thereof'20056,827,764'Molded filter element that contains thermally bonded staple fibers and electrically-charged microfibers'20046,808,551'Method of using fluorinated electrets'20046,783,574'Electret filter media and filtering masks that contain electret filter media'20046,660,210'Method of making fluorinated electrets'20036,562,112'Fluorinated electret'20036,454,986'Method of making a fibrous electret web using a nonaqueous polar liquid'20026,432,175'Fluorinated electret'20026,409,806'Fluorinated electret'20026,397,458'Method of making an electret article by transferring fluorine to the article from a gaseous phase'20026,398,847'Method of removing contaminants from an aerosol using a new electret article'20026,375,886'Method and apparatus for making a nonwoven fibrous electret web from free-fiber and polar liquid'20026,268,495'Compounds useful as resin additives'20016,123,752'High efficiency synthetic filter medium'20006,119,691'Electret filter media'20006,041,782'Respiratory mask having comfortable inner cover web'20006,002,017'Compounds useful as resin additives'19995,976,208'Electret filter media containing filtration enhancing additives'19995,968,635'Fibrous webs useful for making electret filter media'19995,919,847'Composition useful for making electret fibers'19995,908,598'Fibrous webs having enhanced electret properties'19995,496,507'Method of charging electret filter media'19964,774,023'Electro-conductive elastomeric materials'19884,748,433'Electro-conductive elastomeric devices'19884,684,481'Electro-conductive elastomeric materials'19874,654,475'Elastomeric electro-conductive devices'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1988Based in Glasgow, GB· patent location history
1987Based in Kelvindale, GB· patent location history
1996–2004Patents assigned to MINNESOTA MINING & MFG (8)· patent assignee history
1996–2004Based in Darlington, GB· patent location history
2000–2021Patents assigned to 3M INNOVATIVE PROPERTIES CO (43)· patent assignee history
2000–2019Based in Woodbury, MN, US· patent location history
2011–2019Patents assigned to ANGADJIVAND SEYED A (13)· patent assignee history
2013–2019Patents assigned to BRANDNER JOHN M (6)· patent assignee history
2013–2017Patents assigned to FOX ANDREW R (5)· patent assignee history
2020–2021Based in Los Angeles, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
3M INNOVATIVE PROPERTIES CO432000–2021
ANGADJIVAND SEYED Aself132011–2019
MINNESOTA MINING & MFG81996–2004
BRANDNER JOHN M62013–2019
FOX ANDREW R52013–2017
Locations
LocationPatentsSpan
Woodbury, Minnesota, US392000–2019
Darlington, GB91996–2004
Los Angeles, California, US32020–2021
Glasgow, GB31987–1988
Kelvindale, GB11987