Inventor
Ralph W. Matthews
Inventor
Georges Hall, AU
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Dprimary
F01DNon-positive displacement machines or engines, e.g. steam turbines15%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants15%
G21GConversion of chemical elements15%
B22CFoundry moulding8%
F15BSystems acting by means of fluids in general8%
F16LPipes8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
G01TMeasurement of nuclear or x-radiation8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
9,840,930'Internal cooling system with insert forming nearwall cooling channels in midchord cooling cavities of a gas turbine airfoil'20178,985,949'Cooling system including wavy cooling chamber in a trailing edge portion of an airfoil assembly'20155,244,811'Method and system for determining organic matter in an aqueous solution'19934,280,053'Technetium-99m generators'19814,206,358'Technetium-99 generators'19804,020,329'Apparatus for radiation dose measurement'19773,935,882'Hydraulic tank reservoir pressure and vacuum stabilizer system'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to CATERPILLAR TRACTOR CO (1)· patent assignee history
1976Based in New Berlin, WI, US· patent location history
1977Patents assigned to AUSTRAILIAN ATOMIC ENERGY COMM (1)· patent assignee history
1977–1993Based in Georges Hall, AU· patent location history
1980–1981Patents assigned to ATOMIC ENERGY OF AUSTRALIA (2)· patent assignee history
2015–2017Patents assigned to SIEMENS AG (2)· patent assignee history
2015Patents assigned to AZAD GM SALAM (1)· patent assignee history
2015–2017Based in Oviedo, FL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ATOMIC ENERGY OF AUSTRALIA | 2 | 1980–1981 |
| SIEMENS AG | 2 | 2015–2017 |
| AUSTRAILIAN ATOMIC ENERGY COMM | 1 | 1977 |
| AZAD GM SALAM | 1 | 2015 |
| CATERPILLAR TRACTOR CO | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Georges Hall, AU | 4 | 1977–1993 |
| Oviedo, Florida, US | 2 | 2015–2017 |
| New Berlin, WI, US | 1 | 1976 |