Assignee
HOLLAND EXPLOSIVE METAL
3 granted patents·34 citations·filing 1974–1977
Top patents by PatentIndex Score
3 records- 0158US3986735AMethods for welding two metal pieces of tubing with their ends to each other and to pipe-lines consisting of pieces of tubing thus welded to each otherHOLLAND EXPLOSIVE METAL·Filed 1974·Granted Oct 19, 1976·17 cites·10 claims
- 0244US4021907AMethod of sealing apertures in tube plates of heat exchangers using explosive plugHOLLAND EXPLOSIVE METAL·Filed 1976·Granted May 10, 1977·8 cites·6 claims
- 0334US4074630AMethods and plugs to seal apertures in tube plates of heat exchangers provided with tube plates which are locally sealed with these methods and such platesHOLLAND EXPLOSIVE METAL·Filed 1977·Granted Feb 21, 1978·9 cites·5 claims
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