Inventor

David James Gennrich

Inventor

Fitchburg, WI, US

Overview

2010–2021

Patent span

Human necessities

Primary field (CPC A)

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

A47Lprimary

A47LDomestic washing or cleaning27%

A47KSanitary equipment9%

B08BCleaning in general9%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables9%

E04DRoof coverings9%

F24SSolar heat collectors9%

H02SGeneration of electric power by conversion of infrared radiation, visible light or ultraviolet light, e.g. using photovoltaic [pv] modules9%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications9%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2010Patents assigned to DIVERSEY INC (1)· patent assignee history

2010Based in Middleton, WI, US· patent location history

2015–2017Patents assigned to RUG DOCTOR LLC (3)· patent assignee history

2015Patents assigned to GENNRICH DAVID JAMES (1)· patent assignee history

2015–2021Based in Fitchburg, WI, US· patent location history

2021Patents assigned to BUILDING MAT INVESTMENT CORP (1)· patent assignee history

2021Patents assigned to GPCP IP HOLDINGS LLC (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RUG DOCTOR LLC	3	2015–2017
BUILDING MAT INVESTMENT CORP	1	2021
DIVERSEY INC	1	2010
GENNRICH DAVID JAMESself	1	2015
GPCP IP HOLDINGS LLC	1	2021

Locations

Location	Patents	Span
Fitchburg, WI, US	5	2015–2021
Middleton, WI, US	1	2010