![Minnesota knows cold: Frederick McKinley Jones patented the world's first successful refrigerated transportation system | MinnPost Minnesota knows cold: Frederick McKinley Jones patented the world's first successful refrigerated transportation system | MinnPost](https://www.minnpost.com/wp-content/uploads/sites/default/files/imagecache/article_detail/images/articles/thermo-king.jpg?strip=all)
Minnesota knows cold: Frederick McKinley Jones patented the world's first successful refrigerated transportation system | MinnPost
![NHL Public Relations on Twitter: "DYK? The world's largest mobile rink refrigeration unit, specially build for NHL outdoor games, is 53 feet long. #HeritageClassic https://t.co/eMy3KTgn6R" / Twitter NHL Public Relations on Twitter: "DYK? The world's largest mobile rink refrigeration unit, specially build for NHL outdoor games, is 53 feet long. #HeritageClassic https://t.co/eMy3KTgn6R" / Twitter](https://pbs.twimg.com/media/CvdgTuxUsAIe7P3.jpg)
NHL Public Relations on Twitter: "DYK? The world's largest mobile rink refrigeration unit, specially build for NHL outdoor games, is 53 feet long. #HeritageClassic https://t.co/eMy3KTgn6R" / Twitter
![Amazon.com: Portable Refrigeration Unit Liquid Chiller Stainless Steel Coil S-Type with 12V Brushless DC Inverte Compressor for Compact Water Chiller Mobile Freezer Portable Cooling Systems (12V,100W~360 W) : Appliances Amazon.com: Portable Refrigeration Unit Liquid Chiller Stainless Steel Coil S-Type with 12V Brushless DC Inverte Compressor for Compact Water Chiller Mobile Freezer Portable Cooling Systems (12V,100W~360 W) : Appliances](https://m.media-amazon.com/images/I/41HNgloW2rL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Portable Refrigeration Unit Liquid Chiller Stainless Steel Coil S-Type with 12V Brushless DC Inverte Compressor for Compact Water Chiller Mobile Freezer Portable Cooling Systems (12V,100W~360 W) : Appliances
![Brian Hall on Twitter: "NHL Mobile Refrigeration Unit on site now in Raleigh ahead of next weeks Stadium Series Game between the @Capitals vs. @Canes ...The 53-foot trailer is the largest of Brian Hall on Twitter: "NHL Mobile Refrigeration Unit on site now in Raleigh ahead of next weeks Stadium Series Game between the @Capitals vs. @Canes ...The 53-foot trailer is the largest of](https://pbs.twimg.com/ext_tw_video_thumb/1622778625085898752/pu/img/_P9cAEE5FFaCpwD_.jpg)