Inventor
John Murphy
Inventor
Bishopstown, IE
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters21%
B23KSoldering or unsoldering14%
F22BMethods of steam generation14%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
B04CApparatus using free vortex flow, e.g. cyclones7%
B23PMetal-working not otherwise provided for7%
B41JTypewriters7%
F23CMethods or apparatus for combustion using fluid fuel or solid fuel suspended in a carrier gas or air7%
H02KDynamo-electric machines7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
10,323,842Watertube panel portion and a method of manufacturing a watertube panel portion in a fluidized bed reactor201910,118,147Tubular waterwall structure in a fluidized bed reaction chamber and a fluidized bed reaction chamber20186,561,621'Vacuum spittoon for collecting ink during servicing of ink jet printheads'20035,160,549'Tube fin trimming machine and method for use'19925,071,057'Method of making, and welding fixture for, water-steam cooled cyclone roof assembly'19914,943,760'Control systems for variable reluctance electrical machines'19904,682,093'Power supply systems for inductive elements'19874,661,756'Servomotor control systems'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to KOLLMORGEN TECH CORP (2)· patent assignee history
1987–1990Based in Bishopstown, IE· patent location history
1990Patents assigned to KOLLMORGEN CORP (1)· patent assignee history
1991–1992Patents assigned to FOSTER WHEELER ENERGY CORP (2)· patent assignee history
1992Based in Wayland, NY, US· patent location history
2003Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (1)· patent assignee history
2003Based in Escondido, CA, US· patent location history
2018–2019Patents assigned to Sumitomo SHI FW Energia Oy (2)· patent assignee history
2018Based in Hanoi, VN· patent location history
2019Based in Shanghai, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FOSTER WHEELER ENERGY CORP | 2 | 1991–1992 |
| KOLLMORGEN TECH CORP | 2 | 1987 |
| Sumitomo SHI FW Energia Oy | 2 | 2018–2019 |
| HEWLETT PACKARD DEVELOPMENT CO | 1 | 2003 |
| KOLLMORGEN CORP | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bishopstown, IE | 3 | 1987–1990 |
| Shanghai, CN | 1 | 2019 |
| Hanoi, VN | 1 | 2018 |
| Escondido, California, US | 1 | 2003 |
| Wayland, New York, US | 1 | 1992 |