Inventor
Peter J. DeGroot
Inventor
Seattle, WA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Bprimary
G01BMeasuring length, thickness or similar linear dimensions50%
G01CMeasuring distances, levels or bearings13%
G01DMeasuring not specially adapted for a specific variable13%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves6%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light6%
G01SRadio direction-finding6%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light6%
PatentTitleYear
7,177,029'Stroboscopic interferometry with frequency domain analysis'20075,589,928'Method and apparatus for measuring distance to a target'19965,448,662'Apparatus for coupling an optical fiber to a structure at a desired angle'19955,349,440'Interferometric laser profilometer including a multimode laser diode emitting a range of stable wavelengths'19945,239,366'Compact laser probe for profilometry'19935,210,591'Interferometric ball bearing test station'19935,159,408'Optical thickness profiler using synthetic wavelengths'19925,153,669'Three wavelength optical measurement apparatus and method'19925,127,731'Stabilized two-color laser diode interferometer'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1995Patents assigned to HUGHES AIRCRAFT CO (4)· patent assignee history
1992Patents assigned to HUGHES DANBURY OPTICAL SYST (2)· patent assignee history
1992–1993Based in Seattle, WA, US· patent location history
1992–1994Based in Bellevue, WA, US· patent location history
1993Patents assigned to HUGES AIRCRAFT COMPANY (1)· patent assignee history
1993–1995Based in Belleview, WA, US· patent location history
1996Patents assigned to BOEING CO (1)· patent assignee history
1996–2007Based in Middletown, CT, US· patent location history
2007Patents assigned to ZYGO CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HUGHES AIRCRAFT CO | 4 | 1992–1995 |
| HUGHES DANBURY OPTICAL SYST | 2 | 1992 |
| BOEING CO | 1 | 1996 |
| HUGES AIRCRAFT COMPANY | 1 | 1993 |
| ZYGO CORP | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seattle, Washington, US | 3 | 1992–1993 |
| Middletown, CT, US | 2 | 1996–2007 |
| Belleview, Washington, US | 2 | 1993–1995 |
| Bellevue, Washington, US | 2 | 1992–1994 |