Inventor
Will J. Preischel
Inventor
Racine, WI, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F21Sprimary
F21SNon-portable lighting devices17%
F21VFunctional features or details of lighting devices or systems thereof17%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems17%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted17%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers17%
F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general6%
G01RMeasuring electric variables6%
H05KPrinted circuits6%
PatentTitleYear
10,422,821System and method of identifying a module in a stack light20199,845,949Modular stack light with central connectors20179,568,179'Modular stack light with central connectors'20179,307,309'Stack light with in-line sound module'20166,266,485'One-piece plastic tank and temperature control system for a hot water dispenser'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001Patents assigned to EMERSON ELECTRIC CO (1)· patent assignee history
2001–2019Based in Racine, WI, US· patent location history
2016–2019Patents assigned to ROCKWELL AUTOMATION TECH INC (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROCKWELL AUTOMATION TECH INC | 4 | 2016–2019 |
| EMERSON ELECTRIC CO | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Racine, WI, US | 5 | 2001–2019 |