Inventor
Louis Perez
Inventor
Houston, TX, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling29%
G01NInvestigating or analysing materials by determining their chemical or physical properties29%
B01DSeparation6%
B66CCranes6%
F26BDrying solid materials or objects by removing liquid therefrom6%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light6%
H01LSemiconductor devices6%
H10NElectric solid-state devices not otherwise provided for6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
8,878,548'Method for treating and sealing piezoelectric tuning forks'20147,694,734'Method and apparatus for insulating a resonator downhole'20107,647,965'Method and apparatus for insulating a resonator downhole'20107,084,392'Method and apparatus for a downhole fluorescence spectrometer'20067,016,026'Method and apparatus for a downhole refractometer and attenuated reflectance spectrometer'20065,291,751'Cryo-mechanical vapor recovery apparatus'19944,736,975'Method and apparatus for loading and unloading palletized loads'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988Based in Lutz, FL, US· patent location history
1994Patents assigned to LIQUID CARBONIC CORP (1)· patent assignee history
1994Based in Brentwood, CA, US· patent location history
2006–2014Patents assigned to BAKER HUGHES INC (5)· patent assignee history
2006–2014Based in Houston, TX, US· patent location history
2014Patents assigned to BERGREN PAUL (1)· patent assignee history
2014Patents assigned to DIFOGGIO ROCCO (1)· patent assignee history
2014Patents assigned to LIU YI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAKER HUGHES INC | 5 | 2006–2014 |
| BERGREN PAUL | 1 | 2014 |
| DIFOGGIO ROCCO | 1 | 2014 |
| LIQUID CARBONIC CORP | 1 | 1994 |
| LIU YI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 5 | 2006–2014 |
| Brentwood, California, US | 1 | 1994 |
| Lutz, Florida, US | 1 | 1988 |