Inventor
Peter P. Hairston
Inventor
Severna Park, MD, 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 properties56%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light25%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock13%
H01JElectric discharge tubes or discharge lamps6%
PatentTitleYear
9,880,097'Apparatus and system for simultaneously measuring particle concentration and biocontaminants in an aerosol particle flow'20187,576,844'Systems and methods for use in detecting harmful aerosol particles'20097,554,663'Systems and methods for use in detecting harmful aerosol particles'20097,525,660'Systems and methods for use in detecting harmful aerosol particles'20097,423,751'Systems and methods for use in detecting harmful aerosol particles'20087,057,712'Analysis systems detecting particle size and fluorescence'20065,999,250'System for detecting fluorescing components in aerosols'19995,561,515'Apparatus for measuring particle sizes and velocities'19965,121,988'Single particle detector method and apparatus utilizing light extinction within a sheet of light'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2018Patents assigned to TSI INC (4)· patent assignee history
1992–2006Based in St. Paul, MN, US· patent location history
1999Patents assigned to TSI CORP (1)· patent assignee history
2008–2009Patents assigned to NORTHROP GRUMMAN CORP (3)· patent assignee history
2008–2009Based in Severna Park, MD, US· patent location history
2009Patents assigned to NORTHROP GRUMMAN SYSTEMS CORP (1)· patent assignee history
2018Based in North Oaks, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TSI INC | 4 | 1992–2018 |
| NORTHROP GRUMMAN CORP | 3 | 2008–2009 |
| NORTHROP GRUMMAN SYSTEMS CORP | 1 | 2009 |
| TSI CORP | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Severna Park, Maryland, US | 4 | 2008–2009 |
| St. Paul, Minnesota, US | 4 | 1992–2006 |
| North Oaks, Minnesota, US | 1 | 2018 |