Inventor
David F. Ross
Inventor
Scottsdale, AZ, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties16%
F02KJet-propulsion plants12%
F01DNon-positive displacement machines or engines, e.g. steam turbines8%
F02CGas-turbine plants8%
F02DControlling combustion engines8%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants8%
F23NRegulating or controlling combustion8%
Y10TTechnical subjects covered by former us classification8%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%
G06FElectric digital data processing4%
PatentTitleYear
10,922,690System and method for purchasing using biometric authentication20217,389,635'Twisted mixer with open center body'20085,330,719'Automotive oxygen sensor for use in an industrial process analyzer'19945,162,620'Dual flow turbine engine muffler'19925,037,761'Method of applying an automotive type oxygen sensor for use in an industrial process analyzer'19914,747,467'Turbine engine noise suppression apparatus and methods'19884,663,017'Combustibles sensor'19874,645,032'Compact muffler apparatus and associated methods'19873,960,500'Gas sampling analyzing system'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to BAILEY METER CO (1)· patent assignee history
1976–1994Based in Euclid, OH, US· patent location history
1987Patents assigned to BABCOCK & WILCOX CO (1)· patent assignee history
1987Patents assigned to GARRETT CORP (1)· patent assignee history
1987–2008Based in Scottsdale, AZ, US· patent location history
1988–1992Patents assigned to ALLIED SIGNAL INC (2)· patent assignee history
1991–1994Patents assigned to ELSAG INT BV (2)· patent assignee history
2021Based in St. Johns, FL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ALLIED SIGNAL INC | 2 | 1988–1992 |
| ELSAG INT BV | 2 | 1991–1994 |
| BABCOCK & WILCOX CO | 1 | 1987 |
| BAILEY METER CO | 1 | 1976 |
| GARRETT CORP | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Scottsdale, AZ, US | 4 | 1987–2008 |
| Euclid, OH, US | 4 | 1976–1994 |
| St. Johns, Florida, US | 1 | 2021 |