|
The ornamental design for a cold trap, as shown and described.
|
Patent | Priority | Assignee | Title |
D881334, | Jul 20 2018 | Laminar flow distribution adapter | |
D896920, | Aug 24 2017 | LAB SOCIETY LLC | High efficiency distillation head |
D896921, | Aug 24 2017 | LAB SOCIETY LLC | High efficiency distillation head |
D896922, | Aug 24 2017 | LAB SOCIETY LLC | Vacuum chamber and fractionating column for high efficiency distillation head |
D912625, | May 31 2018 | Transportation IP Holdings, LLC | Oil filter housing |
D913415, | Jul 13 2020 | Short distillation head with integrated cooling jacket | |
ER260, | |||
ER9445, |
Patent | Priority | Assignee | Title |
1418691, | |||
3020215, | |||
3334025, | |||
4089749, | Mar 29 1976 | RAF-TAN, INC | Apparatus for producing high-purity water |
4230536, | Apr 21 1975 | Method for the distillation purification of organic heat transfer fluids | |
9138657, | Jul 28 2011 | Elemental Scientific, Inc | Fractional-volatilization separator |
D432203, | Nov 19 1999 | Solar still | |
D634397, | Apr 13 2010 | Access Business Group International LLC | Water treatment device |
D776238, | Apr 11 2016 | Straight path distillation head | |
D805600, | Aug 23 2017 | Distribution adapter | |
D819779, | Feb 02 2018 | Distillation chamber | |
D828904, | Aug 24 2017 | LAB SOCIETY LLC | High efficiency distillation head |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |