Patent US3853507A successfully refreshed from Google Patents.
US3853507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cold trap unit
Assignee: United States Atomic Energy Commission
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Filing: 1947-12-31
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Granted: 1974-12-10
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Expires: 1967-12-31
Abstract
Abstract 1. A gas recovery system of the character described comprising a casing, a length of tubing disposed within the casing for the passage of gases, means for feeding gases to the length of tubing, means in said casing for cooling the tubing for solidifying said gases on the walls thereof, means for applying heat to the tubing for converting the solids to liquid form, and means for removing the liquid from the tubing and storing it.
Inventors
- 👤 P Monroe
- 👤 M Chervenak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:11
CPC Classifications
B; B01; B01D; B01D8/00
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
75 words
A gas recovery system of the character described comprising a casing, a length of tubing disposed within the casing for the passage of gases, means for feeding gases to the length of tubing, means in said casing for cooling the tubing for solidifying said gases on the walls thereof, means for applying heat to the tubing for converting the solids to liquid form, and means for removing the liquid from the tubing and storing it.
Claim 2
Dependent Claim
75 words
A gas recovery system of the character described comprising a casing, a length of tubing disposed within the casing for the passage of gases, means for feeding gases to the length of tubing, means in said casing for cooling the tubing for solidifying said gases on the walls thereof, means for applying heat to the tubing for converting the solids to liquid form, and means for removing the liquid from the tubing and storing it.
Claim 3
Dependent Claim
81 words
A gas recovery system of the character described comprising a casing, a gas receiver disposed within the casing, means for feeding gases to the receiver, means for cooling the receiver for solidifying the gases on the walls thereof, a line for removing excess gases from the receiver, a trap in said line for absorbing traces of said gases, means for applying heat to said casing to convert the solids on the receiver walls to liquid, and means for removing the liquid.
Claim 4
Dependent Claim
81 words
A gas recovery system of the character described comprising a casing, a gas receiver disposed within the casing, means for feeding gases to the receiver, means for cooling the receiver for solidifying the gases on the walls thereof, a line for removing excess gases from the receiver, a trap in said line for absorbing traces of said gases, means for applying heat to said casing to convert the solids on the receiver walls to liquid, and means for removing the liquid.
Claim 5
Dependent Claim
61 words
A gas recovery system of the character described comprising spaced inner and outer containers, tubing interposed between said containers, means for feeding gases to said tubing, means for cooling the tubing to solidify the gases on the walls thereof, means for applying heat to the tubing to convert the solids into liquid, and means for removing the liquid from the tubing.
Claim 6
Dependent Claim
61 words
A gas recovery system of the character described comprising spaced inner and outer containers, tubing interposed between said containers, means for feeding gases to said tubing, means for cooling the tubing to solidify the gases on the walls thereof, means for applying heat to the tubing to convert the solids into liquid, and means for removing the liquid from the tubing.
Claim 7
Dependent Claim
76 words
A gas recovery system of the character described comprising spaced inner and outer containers, a length of tubing helically disposed about the inner container in the space between said containers, means for feeding gases to and removing them from said tubing, means for cooling the tubing to solidify the gases on the walls of the tubing, means for applying heat to the tubing to convert the solids to liquid form, and means for removing the liquid.
Claim 8
Dependent Claim
76 words
A gas recovery system of the character described comprising spaced inner and outer containers, a length of tubing helically disposed about the inner container in the space between said containers, means for feeding gases to and removing them from said tubing, means for cooling the tubing to solidify the gases on the walls of the tubing, means for applying heat to the tubing to convert the solids to liquid form, and means for removing the liquid.
Claim 9
Dependent Claim
68 words
A gas recovery system of the character described comprising spaced inner and outer containers, tubing interposed in helical fashion between said containers, means for feeding gases to said tubing, means for circulating refrigerant through said containers to solidify the gases on the walls of the tubing, means for applying heat to the tubing to convert the solids to liquid form, and means for removing and storing the liquids.
Claim 10
Dependent Claim
68 words
A gas recovery system of the character described comprising spaced inner and outer containers, tubing interposed in helical fashion between said containers, means for feeding gases to said tubing, means for circulating refrigerant through said containers to solidify the gases on the walls of the tubing, means for applying heat to the tubing to convert the solids to liquid form, and means for removing and storing the liquids.
Claim 11
Dependent Claim
80 words
A gas recovery system of the character described comprising spaced inner and outer containers, a length of tubing coiled to helical form and interposed between said inner and outer containers, means for feeding gases to said tubing, means for removing liquid froM the tubing, and means for alternately circulating refrigerant through the containers for solidifying the gases on the walls of the tubes and for applying heat to said tubing to convert the solids into liquid to facilitate easy removal.
Claim 12
Dependent Claim
80 words
A gas recovery system of the character described comprising spaced inner and outer containers, a length of tubing coiled to helical form and interposed between said inner and outer containers, means for feeding gases to said tubing, means for removing liquid froM the tubing, and means for alternately circulating refrigerant through the containers for solidifying the gases on the walls of the tubes and for applying heat to said tubing to convert the solids into liquid to facilitate easy removal.
Claim 13
Dependent Claim
87 words
A gas recovery system of the character described comprising spaced inner and outer containers, a length of tubing helically disposed about said inner container, said tubing being progressively smaller in size from one end to the other, means for feeding gases to the larger end of said tubing, means for cooling the tubing to solidify the gases on the walls thereof, means for applying heat to the tubing to convert the solids to liquids, and means for removing the liquid from the smaller end of said tubing.
Claim 14
Dependent Claim
87 words
A gas recovery system of the character described comprising spaced inner and outer containers, a length of tubing helically disposed about said inner container, said tubing being progressively smaller in size from one end to the other, means for feeding gases to the larger end of said tubing, means for cooling the tubing to solidify the gases on the walls thereof, means for applying heat to the tubing to convert the solids to liquids, and means for removing the liquid from the smaller end of said tubing.
Claim 15
Dependent Claim
85 words
A gas recovery system of the character described comprising a pair of casings, a length of tubing in each of said casings, means for feeding gases to the tubing in one casing while removing liquid from the tubing in the other casing, means for alternately circulating refrigerant through each of said casings to solidify the gases on the walls of the tubing positioned therein, and means for alternately applying heat to the tubing in each of said casings to convert the solids to liquid form.
Claim 16
Dependent Claim
85 words
A gas recovery system of the character described comprising a pair of casings, a length of tubing in each of said casings, means for feeding gases to the tubing in one casing while removing liquid from the tubing in the other casing, means for alternately circulating refrigerant through each of said casings to solidify the gases on the walls of the tubing positioned therein, and means for alternately applying heat to the tubing in each of said casings to convert the solids to liquid form.
References Cited (Backward Citations)
US1864397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-09 | 1978-06-10 | 1978-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-09 | 1982-06-10 | 1982-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-09 | 1986-06-10 | 1986-12-10 | $7700.00 | Window Closed / Lapsed |