Description
DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION (water or air traps, air venting F16)
F28F
Technology
Sub-Class
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- 0 6577 US PATENTS IN FORCE
- 2622 US APPLICATIONS PENDING
- 4746 Total Patent Owners
- 29053 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 1/00 | Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) |
| 1/02 | Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements of cross-section which is non-circular (F28F 1/08, F28F 1/1 take precedence) |
| 1/04 | Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements of cross-section which is non-circular (F28F 1/08, F28F 1/1 take precedence) polygonal, e.g. rectangular |
| 1/06 | Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements of cross-section which is non-circular (F28F 1/08, F28F 1/1 take precedence) crimped or corrugated in cross-section |
| 1/08 | Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F 5/00) Tubular elements crimped or corrugated in longitudinal section |
Recent Patents
Not AvailableRecent Publications
Not AvailableTop Owners in This Class
Top Owners in This Subclass
Applications Filed in This Class - By Year
Applications Filed in This Subclass - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 40 Months (last 2 years Issuances)
- 40 Months (last 5 years Issuances)
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