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Inventor

Dean David Marschke

Inventor
Eden Prairie, MN, US

Overview

8→
Patents
2000–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 8 as inventor

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

B01Dprimary
B01DSeparation25%
C02FTreatment of water, waste water, sewage, or sludge17%
Y02ATechnologies for adaptation to climate change13%
Y10TTechnical subjects covered by former us classification13%
F04BPositive-displacement machines for liquids8%
B01LChemical or physical laboratory apparatus for general use4%
C12MApparatus for enzymology or microbiology4%
C12NMicroorganisms or enzymes4%
D21FPaper-making machines4%
D21GCalenders4%
PatentTitleYear
9,897,080'Rotary control valve for reverse osmosis feed water pump with energy recovery'20189,476,415'System and method for controlling motion profile of pistons'20168,968,566'Separator assembly'20158,961,790'Separator assembly'20158,940,168'Axial bypass sleeve'20158,546,127'Bacteria/RNA extraction device'20138,021,550'Central core element for a separator assembly'20116,018,870'Sectional construction for axially long roll'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Based in Madison, WI, US· patent location history
2011–2018Patents assigned to GEN ELECTRIC (7)· patent assignee history
2011–2018Based in Eden Prairie, MN, US· patent location history
2015Patents assigned to MARSCHKE DEAN DAVID (3)· patent assignee history
2015Patents assigned to ANDERSON TODD ALAN (2)· patent assignee history
2015Patents assigned to BEAUCHAMP PHILIP PAUL (2)· patent assignee history
2015Patents assigned to CUEMAN MICHAEL KENT (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC72011–2018
MARSCHKE DEAN DAVIDself32015
ANDERSON TODD ALAN22015
BEAUCHAMP PHILIP PAUL22015
CUEMAN MICHAEL KENT22015
Locations
LocationPatentsSpan
Eden Prairie, Minnesota, US72011–2018
Madison, WI, US12000