← Back to Patent Explorer
US3074410A Expired / Lapsed US ⏱️ 0.0 years remaining

Temperature control for therapeutic apparatus

Assignee: Gorman Rupp Industries Inc
•
Filing: 1961-01-23
•
Granted: 1963-01-22
•
Expires: 1981-01-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Arthur A Foster

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 02:30
CPC Classifications
A; A61; A61F; A61F7/00; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1906; G05D23/1927; G05D23/193; G05D23/1931; G05D23/20; G05D23/24; A61F2007/0054; A61F2007/0086; A61F7/0097

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 181 words
IN THERAPEUTIC APPARATUS FOR MAINTAINING THE TEMPERATURE OF A PATIENT WITHIN A PREDETERMINED RANGE OF TEMPERATURE AND IN WHICH THERE IS PROVIDED A PAD FOR CONTACTING THE PATIENT''S BODY, MEANS FOR CIRCULATING A HEAT EXCHANGE FLUID THROUGH THE PAD, A HEATER FOR SUPPLYING THERMAL ENERGY TO THE FLUID AND AN ELECTRICAL CIRCUIT FOR ENERGIZING THE HEATER, AND A COOLER FOR REMOVING THERMAL ENERGY FROM THE FLUID AND AN ELECTRICAL CIRCUIT FOR CONTROLLING THE COOLER, THAT COMBINATION WHICH COMPRISES A FIRST MEANS FOR SENSING THE TEMPERATURE OF THE PATIENT, A SECOND MEANS FOR SENSING THE TEMPERATURE OF THE FLUID, ELECTRICAL BRIDGE MEANS HAVING THE SAID FIRST SENSING MEANS CONNECTED AS ONE ARM THEREOF AND BALANCED AT A DESIRED NORMAL TEMPERATURE OF THE PATIENT, MEANS RESPONSIVE TO THE OUTPUT OF THE SAID BRIDGE FOR SELECTIVELY ACTIVATING THE COOLER MEANS WHEN THE PATIENT TEMPERATURE IS HIGHER THAN THE NORMAL TEMPERATURE AND FOR ACTIVATING THE HEATER CIRCUIT WHEN THE PATIENT TEMPERATURE IS LOWER THAN THE NORMAL TEMPERATURE, AND MEANS RESPONSIVE TO THE OUTPUT OF SAID BRIDGE AND TO THE SAID SECOND SENSING MEANS FOR SE-
Claim 2
Dependent Claim 181 words
IN THERAPEUTIC APPARATUS FOR MAINTAINING THE TEMPERATURE OF A PATIENT WITHIN A PREDETERMINED RANGE OF TEMPERATURE AND IN WHICH THERE IS PROVIDED A PAD FOR CONTACTING THE PATIENT''S BODY, MEANS FOR CIRCULATING A HEAT EXCHANGE FLUID THROUGH THE PAD, A HEATER FOR SUPPLYING THERMAL ENERGY TO THE FLUID AND AN ELECTRICAL CIRCUIT FOR ENERGIZING THE HEATER, AND A COOLER FOR REMOVING THERMAL ENERGY FROM THE FLUID AND AN ELECTRICAL CIRCUIT FOR CONTROLLING THE COOLER, THAT COMBINATION WHICH COMPRISES A FIRST MEANS FOR SENSING THE TEMPERATURE OF THE PATIENT, A SECOND MEANS FOR SENSING THE TEMPERATURE OF THE FLUID, ELECTRICAL BRIDGE MEANS HAVING THE SAID FIRST SENSING MEANS CONNECTED AS ONE ARM THEREOF AND BALANCED AT A DESIRED NORMAL TEMPERATURE OF THE PATIENT, MEANS RESPONSIVE TO THE OUTPUT OF THE SAID BRIDGE FOR SELECTIVELY ACTIVATING THE COOLER MEANS WHEN THE PATIENT TEMPERATURE IS HIGHER THAN THE NORMAL TEMPERATURE AND FOR ACTIVATING THE HEATER CIRCUIT WHEN THE PATIENT TEMPERATURE IS LOWER THAN THE NORMAL TEMPERATURE, AND MEANS RESPONSIVE TO THE OUTPUT OF SAID BRIDGE AND TO THE SAID SECOND SENSING MEANS FOR SE-

References Cited (Backward Citations)

US1914026A Cited
US1896953A Cited
US2217797A Cited
US2290091A Cited
US2490932A Cited
US2603422A Cited
US2753435A Cited
US2920215A Cited
US2866072A Cited
US2985774A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-01-21 1966-07-23 1967-01-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-01-21 1970-07-23 1971-01-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-01-21 1974-07-23 1975-01-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag