| Patent Number |
Title Of Patent |
Date Issued |
| D363984 |
Lever for vacutube puncture |
November 7, 1995 |
|
| D362064 |
I.V. needle insertion guide |
September 5, 1995 |
|
| 4296779 |
Turbulator with ganged strips |
October 27, 1981 |
| An improved turbulator unit for insertion in a heat exchanger tube with the turbulator having a plurality of elongated strips of metal each formed of a series of alternating deflection panels successively joined together by substantially triangular bridging portions with the strips being |
| 4137744 |
Apparatus for forming turbulators |
February 6, 1979 |
| An apparatus for forming heat exchanger turbulators from a roll of sheet metal strip stock employs two forming wheels with generally triangularly shaped teeth meshing with one another and one roll being driven about a fixed axis and the other roll being journalled on a second axis parall |
| 4044796 |
Turbulator |
August 30, 1977 |
| A turbulator formed of a strip of metal into a series of alternating deflection panels successively joined together by bridging sections with the deflection panels along the length of the strip alternately angling back and forth and simultaneously tilting up and down relative to the |
