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Roop L Mahajan, 744368 Patriot Park Ct, Fairfax, VA 22030

Known as:
Kavita D Mahajan Kavita Dev Mahajan Kavita L Mahajan Kavita D Ahajan Kauita D Mahajan Rood Mahajan Roop Mahalan Parag Mahajan Mahajan Roop Roop Mohajan
Related to:
Kavita D Mahajan 74

Roop Mahajan Phones & Addresses

Fairfax, VA   

Blacksburg, VA   

Lafayette, CO   

Lawrence Township, NJ   

Boulder, CO   

Denver, CO   

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Roop Mahajan resumes & CV records

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Roop Mahajan Photo 10

Director

Location:
Blacksburg, VA
Industry:
Higher Education
Work:
Virginia Tech
Director University of Colorado Boulder Aug 1991 - Jun 2006
Professor and Director University of Colorado 1976 - 1991
Professor and Director Punjab Engineering College Chandigarh 1965 - 1972
Assitant Professor, Mechanical Engineering
Education:
Cornell University 1972 - 1976
Doctorates, Doctor of Philosophy, Philosophy, Mechanical Engineering
Skills:
Higher Education, University Teaching, Interdisciplinary Research, Science, Thermal Management, Nanotechnology, Research Management, Humanistic Engineering, Biomems, Community Outreach, Statistics, Finite Element Analysis, Mathematical Modeling, Matlab
Roop Mahajan Photo 11

Roop Mahajan

Roop Mahajan Photo 12

Roop Mahajan

Publications & IP owners

Us Patents

Thermal And Electrical Conductivity Probes And Methods Of Making The Same

US Patent:
7951144, May 31, 2011
Filed:
Jan 18, 2008
Appl. No.:
12/016754
Inventors:
Roop L. Mahajan - Blacksburg VA, US
Ming Yi - Blacksburg VA, US
Ronald J. Podhajsky - Boulder CO, US
Hrishikesh V. Panchawagh - Rochester NY, US
International Classification:
A61B 18/18
G01N 25/00
G01N 25/18
G01N 25/20
US Classification:
606 41, 374 10, 374 11, 374 43, 374 44
Abstract:
According to the present disclosure, a system for sensing attributes of tissue in at least one direction is provided. The system includes a thermal conductivity probe having a sensor configured to measure thermal conductivity in the target tissue in at least one direction, and an electrical conductivity probe having a sensor configured to measure electrical conductivity in the target tissue in at least one direction, a power supply operatively coupled to the thermal conductivity probe and being configured to supply power to the thermal conductivity probe, an impedance analyzer operatively coupled to the electrical conductivity probe, and a computer operatively coupled to at least one of the power supply, the multimeter and the impedance analyzer.

Thermal And Electrical Conductivity Probes And Methods Of Making The Same

US Patent:
2011020, Aug 25, 2011
Filed:
Apr 29, 2011
Appl. No.:
13/098199
Inventors:
Roop L. Mahajan - Blacksburg VA, US
Ming Yi - Blacksburg VA, US
Ronald J. Podhajsky - Boulder CO, US
Hrishikesh V. Panchawagh - Rochester NY, US
Assignee:
TYCO Healthcare Group LP - Boulder CO
International Classification:
H05K 13/00
US Classification:
295921
Abstract:
According to the present disclosure, a system for sensing attributes of tissue in at least one direction is provided. The system includes a thermal conductivity probe having a sensor configured to measure thermal conductivity in the target tissue in at least one direction, and an electrical conductivity probe having a sensor configured to measure electrical conductivity in the target tissue in at least one direction, a power supply operatively coupled to the thermal conductivity probe and being configured to supply power to the thermal conductivity probe, an impedance analyzer operatively coupled to the electrical conductivity probe, and a computer operatively coupled to at least one of the power supply, the multimeter and the impedance analyzer.

Thermal And Electrical Conductivity Probes And Methods Of Making The Same

US Patent:
2012011, May 10, 2012
Filed:
Jan 17, 2012
Appl. No.:
13/351553
Inventors:
Roop L. Mahajan - Blacksburg VA, US
Ming Yi - Beijing, CN
Ronald J. Podhajsky - Boulder CO, US
Hrishikesh V. Panchawagh - Rochester NY, US
Assignee:
TYCO Healthcare Group LP - Boulder CO
International Classification:
A61B 5/053
US Classification:
600547
Abstract:
According to the present disclosure, a system for sensing attributes of tissue in at least one direction is provided. The system includes a thermal conductivity probe having a sensor configured to measure thermal conductivity in the target tissue in at least one direction, and an electrical conductivity probe having a sensor configured to measure electrical conductivity in the target tissue in at least one direction, a power supply operatively coupled to the thermal conductivity probe and being configured to supply power to the thermal conductivity probe, an impedance analyzer operatively coupled to the electrical conductivity probe, and a computer operatively coupled to at least one of the power supply, the multimeter and the impedance analyzer.

Chemical Vapor Deposition Reactor For Silicon Epitaxial Processes

US Patent:
4421786, Dec 20, 1983
Filed:
Jun 1, 1982
Appl. No.:
6/383881
Inventors:
Roop L. Mahajan - Lawrenceville NJ
Joseph R. Ristorcelli - Belle Mead NJ
Assignee:
Western Electric Co. - New York NY
International Classification:
H01L 2102
US Classification:
427 82
Abstract:
A chemical vapor deposition reactor (40) is disclosed. The reactor (40) has a vertically mounted tube (43), axially disposed within a chamber (41). A plurality of spaced, planar, wafer holders (44--44), having resistance heated portions (45--45) thereon, are fixedly mounted to and radially extend from the tube (43). Silicon wafers (13--13) are placed on the resistance heated portions of the holders (44--44) and reactant gases are caused to radially flow through apertures (91--91) in the tube (43), between adjacent heated holders (44--44) and across the surface of the wafers (13--13) to deposit doped silicon thereon. Undeposited reactants and gases are removed via an axisymmetric exhaust port 81.

Condensation Soldering Facility

US Patent:
4187974, Feb 12, 1980
Filed:
Mar 13, 1978
Appl. No.:
5/885930
Inventors:
Roop L. Mahajan - Lawrenceville NJ
Assignee:
Western Electric Company, Inc. - New York NY
International Classification:
B23K 300
US Classification:
228242
Abstract:
A first vessel is mounted within and spaced from a second vessel. A primary heat transfer liquid is introduced into the first vessel and a secondary heat transfer liquid introduced into the second vessel. Heating coils immersed in the secondary heat transfer liquid are energized to boil the secondary liquid to form a body of secondary vapor, a portion of which condenses on the outer surface of the first vessel to heat said vessel and boil the primary liquid therein to form a body of primary vapor. An article having previously applied solder thereon is immersed in said body of primary vapor and the solder caused to melt and flow due to the latent heat of vaporization transferred thereto by the primary vapor condensing thereon. Additionally, a tertiary body of vapor is formed above the primary vapor to substantially preclude the loss of the primary vapor to the atmosphere.

Devices, Systems, And Methods For Real-Time Monitoring Of Electrophysical Effects During Tissue Treatment

US Patent:
2020026, Aug 20, 2020
Filed:
May 1, 2020
Appl. No.:
16/865031
Inventors:
- Blacksburg VA, US
Mohammad Bonakdar - Blacksburg VA, US
Eduardo L. Latouche - Chelsea MA, US
Roop L. Mahajan - Blacksburg VA, US
John L. Robertson - Floyd VA, US
Christopher B. Arena - Burlington NC, US
Michael B. Sano - Durham NC, US
International Classification:
A61B 5/053
Abstract:
Provided herein are devices, systems, and methods for monitoring lesion or treated area in a tissue during focal ablation or cell membrane disruption therapy.

Devices, Systems, And Methods For Real-Time Monitoring Of Electrophysical Effects During Tissue Treatment

US Patent:
2017036, Dec 21, 2017
Filed:
Dec 15, 2015
Appl. No.:
15/536333
Inventors:
- Blacksburg VA, US
MOHAMMAD BONAKDAR - BLACKSBURG VA, US
EDUARDO L. LATOUCHE - BLACKSBURG VA, US
ROOP L. MAHAJAN - BLACKSBURG VA, US
JOHN L. ROBERTSON - BLACKSBURG VA, US
CHRISTOPHER B. ARENA - BLACKSBURG VA, US
MICHAEL B. SANO - BLACKSBURG VA, US
International Classification:
A61B 5/053
G01N 33/543
A61B 5/01
Abstract:
Provided herein are devices, systems, and methods for monitoring lesion or treated area in a tissue during focal ablation or cell membrane disruption therapy. Provided herein are embodiments of an electrical conductivity sensor having an impedance sensor, where the impedance sensor can be configured to measure a low-frequency and a high-frequency impedance and a substrate, where the impedance sensor is coupled to the substrate. The substrate can be flexible. In embodiments, the impedance sensor can contain two or more electrical conductors. The electrical conductors can be in a bipolar configuration. The electrical conductors can be in a tetrapolar configuration. In embodiments, the electrical conductivity sensor can have two impedance sensors that can be coupled to the substrate such that they are orthogonal to each other.

Melt Electrospun Fibers Containing Micro And Nanolayers And Method Of Manufacturing

US Patent:
2016019, Jul 7, 2016
Filed:
Mar 14, 2016
Appl. No.:
15/068945
Inventors:
- Blacksburg VA, US
Naresh Budhavaram - Blacksburg VA, US
Roop Mahajan - Blacksburg VA, US
International Classification:
D04H 1/728
D01F 6/06
D01F 6/62
D01F 6/04
Abstract:
Fibers having two or more alternating polymer layers are formed by co-extrusion followed by electroprocessing. The fibers can be used as a non-woven mat or other substrate for a variety of applications. Delamination of the fibers using ultrasonication yields separated, micro and nanolayer, fiber ribbons which may also be used a non-woven mat or other substrate.

Isbn (Books And Publications)

Mixed Convection And Environmental Flows: Presented At The Winter Annual Meeting Of The American Society Of Mechanical Engineers, Dallas, Texas, November 25-30, 1990

Author:
Roop L. Mahajan
ISBN #:
0791805778

Buoyancy Induced Flows And Transport

Author:
Roop L. Mahajan
ISBN #:
0891164022

General Papers In Heat Transfer: Presented At The 28Th National Heat Transfer Conference And Exhibition, San Diego, California, August 9-12, 1992

Author:
Roop Mahajan
ISBN #:
0791809307

Possible Relatives

Deepak S Mahajan  Karan Mahajan  Kimberly A Mahajan  Kumar Mahajan  Kunal P Mahajan  Mahesh C Mahajan  Manisha M Mahajan  Roop G Singh  Roop R Donny  Roop T Sajnani 

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