Inventor
Mahmoud A. El-Sherif
Inventor
Penn Valley, PA, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus27%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein23%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves14%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure9%
A61BDiagnosis5%
B64DEquipment for fitting in or to aircraft5%
D07BRopes or cables in general5%
G01DMeasuring not specially adapted for a specific variable5%
H04BTransmission5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
10,466,096Fiber optic hydrophone sensors and uses thereof20199,823,113'Fiber optic hydrophone sensors and uses thereof'20178,805,136'On-fiber tunable Bragg gratings for DWDM applications'20148,661,908'Fiber optic hydrophone sensors and uses thereof'20147,373,024'On-fiber microwave modulator and high speed switch for telecommunication applications'20087,228,012'On-fiber microwave modulator and high speed switch for telecommunication applications'20077,149,391'On-fiber tunable coupler and high speed switch for telecommunication applications'20066,299,104'Method and apparatus for evaluating parachutes under load'20015,060,307'Apparatus and a method comprising an optical fiber modulator, coupler, switch, sensor and distribution system'19914,842,405'Process for producing a grating on an optical fiber'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to EL SHERIF MAHMOUD (1)· patent assignee history
2001Based in Narbeth, PA, US· patent location history
2006–2014Patents assigned to PHOTONICS ON FIBER DEVICES INC (4)· patent assignee history
2006–2014Based in Penn Valley, PA, US· patent location history
2014–2019Patents assigned to UNIV DREXEL (3)· patent assignee history
2014Patents assigned to EL-SHERIF MAHMOUD A (2)· patent assignee history
2014Patents assigned to DARYOUSH AFSHIN S (1)· patent assignee history
2014Based in Narberth, PA, US· patent location history
2017Based in Bala Cynwyd, PA, US· patent location history
2019Based in Blue Bell, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHOTONICS ON FIBER DEVICES INC | 4 | 2006–2014 |
| UNIV DREXEL | 3 | 2014–2019 |
| EL-SHERIF MAHMOUD Aself | 2 | 2014 |
| DARYOUSH AFSHIN S | 1 | 2014 |
| EL SHERIF MAHMOUDself | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Penn Valley, Pennsylvania, US | 4 | 2006–2014 |
| Blue Bell, Pennsylvania, US | 1 | 2019 |
| Bala Cynwyd, Pennsylvania, US | 1 | 2017 |
| Narberth, Pennsylvania, US | 1 | 2014 |
| Narbeth, Pennsylvania, US | 1 | 2001 |