Inventor

Steven J. Haehn

Inventor

Oakdale, MN, US

Overview

2007–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 26 as inventor

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

B01Dprimary

B01DSeparation48%

C02FTreatment of water, waste water, sewage, or sludge18%

LOC2311%

F16KValves9%

F25DRefrigerators7%

Y10TTechnical subjects covered by former us classification7%

PatentTitleYear

11,077,392Modular filtration platform2021 11,045,753Push filter with floating key lock2021 10,857,492Push filter with floating key lock2020 10,695,698Reverse osmosis push filter with floating key lock2020 10,675,571Filter housing with filter key attachment2020 10,421,032Modular filtration platform2019 10,207,211Push filter with floating key lock2019 10,040,703Reverse osmosis push filter with floating key lock2018 10,035,089Filtration system2018 9,937,450Filtration system2018 9,901,852'Push filter with floating key lock'2018 D0795390'Reverse osmosis push filter'2017 D0767712'Push filter with floating key lock'2016 9,446,336'Dual cartridge filter stabilizer'2016 D0755922'Filtration system'2016 9,233,322'Push filter with floating key lock'2016 9,061,225'Reinforced receiver for cassette filter locking clip'2015 8,951,415'Filtration system'2015 8,945,383'Filtration system'2015 8,673,146'Push filter with floating key lock'2014 8,366,930'Push filter with floating key lock'2013 D0656579'Cassette filter and coverplate'2012 D0656578'Cassette filter'2012 D0656580'Cassette filter manifold'2012 8,137,551'Push filter with floating key lock'2012 D0557762'Water treatment device'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2021Based in Oakdale, MN, US· patent location history

2012–2021Patents assigned to KX TECHNOLOGIES LLC (24)· patent assignee history

2012–2015Patents assigned to HAEHN STEVEN J (8)· patent assignee history

2012–2015Patents assigned to HUDA STEPHEN P (8)· patent assignee history

2012–2015Patents assigned to SHERMAN MICHAEL J (5)· patent assignee history

2012Patents assigned to SHERMAN MICHAEL (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KX TECHNOLOGIES LLC	24	2012–2021
HAEHN STEVEN Jself	8	2012–2015
HUDA STEPHEN P	8	2012–2015
SHERMAN MICHAEL J	5	2012–2015
SHERMAN MICHAEL	3	2012

Locations

Location	Patents	Span
Oakdale, Minnesota, US	26	2007–2021