Inventor
John B. Kammeter
Inventor
Richmond, VA, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks29%
H01FMagnets21%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution21%
G01RMeasuring electric variables7%
G05FSystems for regulating electric or magnetic variables7%
H01RElectrically-conductive connections7%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines7%
PatentTitleYear
8,325,504'Direct current power supply for mission critical applications'20127,819,676'Electrical power distribution system'20107,368,836'Volt-second synchronization for magnetic loads'20086,330,516'Branch circuit monitor'20015,434,455'Harmonic cancellation system'19955,343,080'Harmonic cancellation system'19945,206,539'Transformer with cancellation of harmonic currents by phase shited secondary windings'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1995Patents assigned to POWER DISTRIBUTION INC (3)· patent assignee history
1993–2012Based in Richmond, VA, US· patent location history
2001–2012Patents assigned to POWER DISTRIB INC (4)· patent assignee history
2001Based in Sandston, VA, US· patent location history
2012Patents assigned to KAMMETER JOHN B (1)· patent assignee history
2012Patents assigned to SCHLUETER GREG (1)· patent assignee history
2012Patents assigned to STANT VERN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| POWER DISTRIB INC | 4 | 2001–2012 |
| POWER DISTRIBUTION INC | 3 | 1993–1995 |
| KAMMETER JOHN Bself | 1 | 2012 |
| SCHLUETER GREG | 1 | 2012 |
| STANT VERN | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Richmond, Virginia, US | 6 | 1993–2012 |
| Sandston, Virginia, US | 1 | 2001 |