JH

Josef Hirmann

Ford: 4 patents #4,025 of 17,473Top 25%
Overall (All Time): #1,295,703 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5257454 Method of making a heat exchanger with thermal stress relieving zone Darryl Leigh Young, Eugene E. Rhodes, David L. Brightwell 1993-11-02
5205462 Compressive brazing fixture Andrew D. Crosier, Mark R. Nock 1993-04-27
5186239 Heat exchanger with thermal stress relieving zone Darryl Leigh Young, Eugene E. Rhodes, David L. Brightwell 1993-02-16
5165153 Apparatus for producing a stress relieving zone in a heat exchanger Darryl Leigh Young, Eugene E. Rhodes 1992-11-24