JB

John W. Berthold

TW The Babcock & Wilcox: 23 patents #4 of 920Top 1%
DI Davidson Instruments: 8 patents #1 of 4Top 25%
MT Mcdermott Technology: 6 patents #3 of 100Top 3%
HS Halliburton Energy Services: 5 patents #1,206 of 4,711Top 30%
DI Diamond Power International: 2 patents #9 of 45Top 20%
UN US NSA: 2 patents #11 of 171Top 7%
EI Electric Power Research Institute: 1 patents #421 of 1,201Top 40%
📍 College Park, MD: #2 of 353 inventorsTop 1%
🗺 Maryland: #245 of 35,612 inventorsTop 1%
Overall (All Time): #56,836 of 4,157,543Top 2%
49
Patents All Time

Issued Patents All Time

Showing 26–49 of 49 patents

Patent #TitleCo-InventorsDate
5517851 Method and apparatus for predicting onset of intergranular attack and stress corrosion cracking in tubing subjected to hostile environment Thomas O. Passell, Garry W. Roman 1996-05-21
5386729 Temperature compensated microbend fiber optic differential pressure transducer Stuart E. Reed, John W. Holman 1995-02-07
5258614 Optical fiber loop temperature sensor J. Jeffrey Kidwell, Stuart E. Reed 1993-11-02
5226730 Internal temperature monitor for work pieces 1993-07-13
5225883 Video temperature monitor Hudson R. Carter, Charles Chris England 1993-07-06
5223918 Fiber optic color balance monitor Larry A. Jeffers, Mehmet A. Erdentug 1993-06-29
5220172 Fluorescence analyzer for lignin Michael L. Malito, Larry A. Jeffers 1993-06-15
5216483 Fluorescence analyzer for lignin Michael L. Malito, Larry A. Jeffers 1993-06-01
5206711 Fluid opacity sensor Charles R. Dailey 1993-04-27
5196694 Temperature compensated self-referenced fiber optic microbend pressure transducer Stuart E. Reed 1993-03-23
5086220 Radiation imaging fiber optic temperature distribution monitor Cevdet G. Koksal, Larry A. Jeffers 1992-02-04
5035511 Distributed fiber optic temperature sensor based on time domain transmission 1991-07-30
5020379 Microbend fiber optic strain gauge Stuart E. Reed 1991-06-04
5010770 Vibrating tube fiber optic pressure transducer with light-powered electro-magnetic drive 1991-04-30
4976157 Fiber optic flow sensor Lawrence B. Thompson 1990-12-11
4907883 High-temperature laser induced spectroscopy in nuclear steam generators William Edward Allmon 1990-03-13
4893895 An improved encased high temperature optical fiber H. Randy Carter 1990-01-16
4843234 Consumable electrode length monitor based on optical time domain reflectometry H. Randy Carter 1989-06-27
4600836 Diaphragm deflection sensor for fused silica diaphragm module Larry A. Jeffers, Larry B. Thompson 1986-07-15
4589286 Fused silica diaphragm module for high temperature pressure transducers 1986-05-20
4536827 Image collection and object illumination Charles Fitzgerald 1985-08-20
4413879 Method and apparatus for side launch excitation of selected modes in graded-index optical fibers Paul Szczepanek 1983-11-08
4387594 Water level indicator having a remote and a local readout display 1983-06-14
4262992 Variable integrated optical logic element 1981-04-21