Inventor
Dwight W. Kitchin
Inventor
Parker, CO, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Mprimary
H04MTelephonic communication32%
H02JElectric power networks16%
H04BTransmission12%
G01RMeasuring electric variables8%
A61BDiagnosis4%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body4%
F04BPositive-displacement machines for liquids4%
F16KValves4%
G06FElectric digital data processing4%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%
PatentTitleYear
10,768,242Ground-fault protection for direct current circuits202010,055,079Durable yet sensitive touch screen assembly and methods for making same20189,596,362'Automated determination of power transmission resistance'20179,362,753'Extended signaling system and method'2016D0739366'Electronic device with graphical user interface'20158,804,945'Detecting events occurring on remote telephone'20148,594,314'Extended signaling system and method'20138,135,127'Method and apparatus for detecting and responding to events occurring on remote telephone'20125,539,812'Method and apparatus for detecting an attempted three-way conference call on a remote telephone'19965,319,702'Method and apparatus for detecting and responding to hook flash events occurring on a remote telephone'19944,573,888'Fluid pump'19864,520,820'Automatic tourniquet with improved pressure resolution'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1986Patents assigned to ASPEN LAB INC (2)· patent assignee history
1985–1996Based in Littleton, CO, US· patent location history
2012–2014Patents assigned to KITCHIN DWIGHT W (3)· patent assignee history
2012–2020Based in Parker, CO, US· patent location history
2013–2016Patents assigned to COTTONWOOD CREEK TECHNOLOGIES (2)· patent assignee history
2015–2016Patents assigned to COTTONWOOD CREEK TECHNOLOGIES INC (2)· patent assignee history
2017–2020Patents assigned to COTTONWOOD CREEK TECH INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| COTTONWOOD CREEK TECH INC | 3 | 2017–2020 |
| KITCHIN DWIGHT Wself | 3 | 2012–2014 |
| ASPEN LAB INC | 2 | 1985–1986 |
| COTTONWOOD CREEK TECHNOLOGIES | 2 | 2013–2016 |
| COTTONWOOD CREEK TECHNOLOGIES INC | 2 | 2015–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Parker, CO, US | 8 | 2012–2020 |
| Littleton, CO, US | 4 | 1985–1996 |