Inventor
Craig T. Curtis
Inventor
West Dundee, IL, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F21Vprimary
F21VFunctional features or details of lighting devices or systems thereof15%
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 emitted15%
F21KNon-electric light sources using luminescence10%
F21SNon-portable lighting devices10%
A47KSanitary equipment5%
E03CDomestic plumbing installations for fresh water or waste water5%
G01VGeophysics5%
G06KGraphical data reading5%
G06MCounting mechanisms5%
G06VImage or video recognition or understanding5%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008Patents assigned to SPI LIGHTING (1)· patent assignee history
2008–2009Based in Hartford, WI, US· patent location history
2009Patents assigned to SPI LIGHTING INC (1)· patent assignee history
2016Patents assigned to CREE INC (2)· patent assignee history
2016Based in Raleigh, NC, US· patent location history
2021Patents assigned to GOJO IND INC (2)· patent assignee history
2021Based in West Dundee, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CREE INC | 2 | 2016 |
| GOJO IND INC | 2 | 2021 |
| SPI LIGHTING | 1 | 2008 |
| SPI LIGHTING INC | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| West Dundee, Illinois, US | 2 | 2021 |
| Raleigh, NC, US | 2 | 2016 |
| Hartford, WI, US | 2 | 2008–2009 |