Inventor
Walter T. Castleberry
Inventor
Hampton Cove, AL, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F24Hprimary
F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general15%
G03GElectrography15%
B64CAeroplanes8%
B64UUnmanned aerial vehicles [uav]8%
F23MCasings, linings, walls or doors specially adapted for combustion chambers, e.g. firebridges8%
F23NRegulating or controlling combustion8%
G01DMeasuring not specially adapted for a specific variable8%
G01FMeasuring volume, volume flow, mass flow or liquid level8%
H03KPulse technique8%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%
PatentTitleYear
10,836,467Tilt-rotor multicopters with variable pitch propellers20208,069,013'Water heater monitor/diagnostic display apparatus'20117,996,182'Water heater monitor/diagnostic display apparatus'20117,818,095'Water heater monitor/diagnostic display apparatus'20107,559,012'Method for error detection and flow direction determination in a measuring meter'20097,242,310'Control techniques for shut-off sensors in fuel-fired heating appliances'20077,013,841'Differently configured fuel-fired water heaters constructed from identical production platforms'20066,604,434'Method and apparatus for determining the direction and rate of a rotating element'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2009Patents assigned to NEPTUNE TECHNOLOGY GROUP INC (2)· patent assignee history
2003–2007Based in Pike Road, AL, US· patent location history
2006–2011Patents assigned to RHEEM MFG CO (5)· patent assignee history
2009Based in Tallassee, AL, US· patent location history
2010Based in Owens Cross Roads, AL, US· patent location history
2011Patents assigned to BOROS JOZEF (1)· patent assignee history
2011Patents assigned to CASTLEBERRY WALTER T (1)· patent assignee history
2011Patents assigned to HOTTON BRUCE A (1)· patent assignee history
2011–2020Based in Hampton Cove, AL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RHEEM MFG CO | 5 | 2006–2011 |
| NEPTUNE TECHNOLOGY GROUP INC | 2 | 2003–2009 |
| BOROS JOZEF | 1 | 2011 |
| CASTLEBERRY WALTER Tself | 1 | 2011 |
| HOTTON BRUCE A | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hampton Cove, AL, US | 3 | 2011–2020 |
| Pike Road, AL, US | 3 | 2003–2007 |
| Owens Cross Roads, AL, US | 1 | 2010 |
| Tallassee, AL, US | 1 | 2009 |