Inventor

David J. Colburn

Inventor

South St. Paul, MN, US

Overview

2000–2018

Patent span

General tagging of new technological developments

Primary field (CPC Y)

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

A61Mprimary

A61MDevices for introducing media into, or onto, the body13%

B01DSeparation13%

C02FTreatment of water, waste water, sewage, or sludge13%

F17CVessels for containing or storing compressed, liquefied or solidified gases13%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy13%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%

Y02WClimate change mitigation technologies related to wastewater treatment or waste management13%

Y10TTechnical subjects covered by former us classification13%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2000–2018Patents assigned to 3M INNOVATIVE PROPERTIES CO (3)· patent assignee history

2000–2007Based in South St. Paul, MN, US· patent location history

2018Based in Lake Elmo, MN, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
3M INNOVATIVE PROPERTIES CO	3	2000–2018

Locations

Location	Patents	Span
South St. Paul, Minnesota, US	2	2000–2007
Lake Elmo, Minnesota, US	1	2018