Patent Granted

1. M. D. Atrey and W.E. Stautner, "Pulse Tube Refrigerator", US 2005/005613, January 2005.
2. M. D. Atrey, "Magnetic Field Generating Assembly", US 7,191,601, Mar 20, 2007. (European Patent & EP1560035)
3. Oleg Kirichek, M. D. Atrey, Christopher Johnson, Mir Fattah Hodaei, "Cooling  Apparatus", US 7,287,387, Oct. 30, 2007.
4. Philip Carr, Oleg Kirichek, M D Atrey, "Cryostat Assembly", US 7,487,644, Feb 10, 2009. (European & Patent Application EP1675138)
5. M D Atrey, "Cryogen Free Superconducting Transformer", Indian Patent, No-265712, Mar 10, 2015.
6. Darshit Parmar, M. D. Atrey, "Method of prevention of oil carryover in a machine" Indian Patent, No-568994, 2025.
7. Darshit Parmar, M. D. Atrey, "Refrigeration system with variable speed compressor and clustered expansion devices", Indian Patent, No-598299, 2026

Patent Published:

1. M. D. Atrey, David Michael Crowley and Peter Derek Daniels, "Oil Carry-over Prevention from Helium Gas Compressor" February 2004, UK, GB No. 2391910.

2. M. D. Atrey, "Cryostat Assembly" Application No. 0504345.0, published on 2007-11-14 (European Patent Application EP1853862).
3. M. D. Atrey, P. S. Gandhi, G. J. Phatak, "Counter flow heat exchanger for a miniature joule-thomson cryocooler, Application No. PCT/IN2011/000488, published on 2nd February 2012.