Inventor
Bruce S. Rigsby
Inventor
Charlestown, IN, US
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Kprimary
F16KValves15%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general13%
Y10TTechnical subjects covered by former us classification11%
F15BSystems acting by means of fluids in general8%
F21SNon-portable lighting devices6%
H01HElectric switches6%
B61LGuiding railway traffic4%
F03GSpring, weight, inertia or like motors4%
F21KNon-electric light sources using luminescence4%
F21VFunctional features or details of lighting devices or systems thereof4%
PatentTitleYear
11,028,941Methods and apparatus for monitoring solenoid valve health202110,851,814Valve signature diagnosis and leak test device202010,344,782Valve signature diagnosis and leak test device20199,886,835'Method and apparatus for predicting lifetime of a solenoid coil'20189,754,743'Actuation apparatus for magnetically-triggered proximity switches'20179,541,214'Switching module for a valve controller'20178,905,371'Valve signature diagnosis and leak test device'20148,814,133'Automatic speed searching device and method for a partial stroke test of a control valve'20146,518,524'Multi-function stalk switch'20036,464,200'Shape memory alloy actuated fluid control valve'20026,247,678'Shape memory alloy actuated fluid control valve'20016,020,563'Multi-function stalk switch'20005,739,592'Power and communications link between a tractor and trailer'19985,694,112'Solid state rotary apparent beacon'19975,632,551'LED vehicle lamp assembly'19975,528,218'Electronic self-canceling turn signal device'19965,528,474'Led array vehicle lamp'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2003Patents assigned to GROTE INDUSTRIES INC (7)· patent assignee history
1996–2020Based in Charlestown, IN, US· patent location history
2014Patents assigned to GEN EQUIPMENT & MFG CO INC DBA TOPWORX INC (2)· patent assignee history
2014Patents assigned to LI JINGLI (2)· patent assignee history
2014Patents assigned to PENNING BRUCE R (2)· patent assignee history
2017–2021Patents assigned to GENERAL EQUIPMENT AND MFG COMPANY INC (6)· patent assignee history
2021Based in Charleston, IN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GROTE INDUSTRIES INC | 7 | 1996–2003 |
| GENERAL EQUIPMENT AND MFG COMPANY INC | 6 | 2017–2021 |
| GEN EQUIPMENT & MFG CO INC DBA TOPWORX INC | 2 | 2014 |
| LI JINGLI | 2 | 2014 |
| PENNING BRUCE R | 2 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Charlestown, IN, US | 16 | 1996–2020 |
| Charleston, IN, US | 1 | 2021 |