Inventor
John Albert Umina
Inventor
Waltham, MA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Fprimary
G01FMeasuring volume, volume flow, mass flow or liquid level45%
G01NInvestigating or analysing materials by determining their chemical or physical properties18%
G10KSound-producing devices18%
G01DMeasuring not specially adapted for a specific variable9%
LOC109%
PatentTitleYear
8,746,399'Acoustic waveguide assemblies'2014D0705102'Flow cell for a flow meter'20148,511,424'Acoustic waveguide assemblies'20137,581,453'Ultrasonic flow meter system'20097,523,676'Ultrasonic flow rate measurement method and system'20097,247,979'Device and apparatus for holding a transducer'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007Patents assigned to GE SECURITY INC (1)· patent assignee history
2007–2014Based in Waltham, MA, US· patent location history
2009–2014Patents assigned to GEN ELECTRIC (5)· patent assignee history
2013Patents assigned to AO XIAOLEI SHIRLEY (1)· patent assignee history
2013Patents assigned to UMINA JOHN ALBERT (1)· patent assignee history
2013Patents assigned to Xu jin chang (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 5 | 2009–2014 |
| AO XIAOLEI SHIRLEY | 1 | 2013 |
| GE SECURITY INC | 1 | 2007 |
| UMINA JOHN ALBERTself | 1 | 2013 |
| Xu jin chang | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Waltham, Massachusetts, US | 6 | 2007–2014 |