Index of this study

Fairing for lines in patents in any nation's system:
We are just beginning this historical collection.
The estimate is that we are at 5% exposure level of old prior art on faired lines.

Notes from all are invited to help make this folder robust.  
tethers@hawpa.net


Balloon Tether Cable  
1965, Arthur D. Struble



1943


1976


1985   High-speed faired towline US Patent 4655155


CONDUCTING TOW LINE STRUCTURE

 Alexander C. Hetherington     Filed: 1965


1966    US Pat. 3352274
HIGH SPEED FAIRED TOWING CABLE
 Dale E. Calkins


Integrated faired towline
with integral locking feature

 
Richard K. Knutson et al  Filed: 1980


Patent number: 6415730


 


Hairy towlines


Reefable faired towlines

Applicaton: 

United States Application US20040035349


http://www.google.com/patents/about?id=27gHAAAAEBAJ&dq=6244204


Skilled kite craftsman ever see water-air analogues as they do their art:   Some 1960s instructions: