Patent information for Aeroquip Crimp Fittings has produced minimal results. The
items posted below are the only items that pertain to Hose Couplings.
2 piece Hose Coupling for High pressure Hose.
Portable Hose Crimper
Patent # 3,568,494 A
It appears this crimper crimped FJ Series Fittings. We are unsure.
Patent # 4,548,430
Is it a revised FJ Series?
Patent # 5288112