Inventor
John A. Weaver
Inventor
Indianapolis, IN, US
Overview
Patents· 16 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 turbines21%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants18%
Y02TClimate change mitigation technologies related to transportation13%
B01DSeparation5%
C07DHeterocyclic compounds5%
E21BEarth or rock drilling5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
A21CMachines or equipment for making or processing doughs3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
B29CShaping or joining of plastics3%
PatentTitleYear
11,117,880Facile and selective perfluoro- and polyfluoroarylation of Meldrum's acid202111,014,078Method for the synthesis and isolation of facial-tris-homoleptic phenylpyridinato iridium (III) photocatalysts202110,596,490Multi-purpose gas separator unit and associated methods202010,480,328Forward flowing serpentine vane201910,465,526Dual-wall airfoil with leading edge cooling slot201910,456,714Multi-purpose gas separator unit201910,443,419Seal for a gas turbine engine assembly201910,370,983Endwall cooling system201910,370,985Full hoop blade track with axially keyed features20199,920,634'Method of manufacturing a turbomachine component, an airfoil and a gas turbine engine'20189,915,151'CMC airfoil with cooling channels'20188,408,866'Apparatus and method for cooling a turbine airfoil arrangement in a gas turbine engine'20138,197,185'Apparatus and method for cooling a turbine airfoil arrangement in a gas turbine engine'2012D0288248'Table lamp'19874,613,037'Rod-type conveyor belt'19864,159,662'Muffin splitter'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979Patents assigned to ALTO CORP (1)· patent assignee history
1979–1986Based in York, PA, US· patent location history
1987Based in Jamestown, RI, US· patent location history
2012–2019Based in Indianapolis, IN, US· patent location history
2013–2019Patents assigned to ROLLS ROYCE CORP (8)· patent assignee history
2018–2019Patents assigned to ROLLS ROYCE NAM TECH INC (3)· patent assignee history
2019–2020Patents assigned to WILLIAM JACOB MAN INC (2)· patent assignee history
2019–2020Based in Houston, TX, US· patent location history
2021Patents assigned to UNIV OKLAHOMA STATE (2)· patent assignee history
2021Based in Stillwater, OK, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROLLS ROYCE CORP | 8 | 2013–2019 |
| ROLLS ROYCE NAM TECH INC | 3 | 2018–2019 |
| UNIV OKLAHOMA STATE | 2 | 2021 |
| WILLIAM JACOB MAN INC | 2 | 2019–2020 |
| ALTO CORP | 1 | 1979 |
Locations
| Location | Patents | Span |
|---|---|---|
| Indianapolis, IN, US | 9 | 2012–2019 |
| Stillwater, OK, US | 2 | 2021 |
| Houston, Texas, US | 2 | 2019–2020 |
| York, Pennsylvania, US | 2 | 1979–1986 |
| Jamestown, RI, US | 1 | 1987 |