The phrase "found practical application" is correct and usable in written English.
You can use it when discussing how a theory, idea, or invention has been successfully utilized in real-world scenarios.
Example: "The research conducted by the team has found practical application in various industries, improving efficiency and productivity."
Alternatives: "has been applied effectively" or "has seen real-world use."
After decades of neglect, Gallager's codes have finally found practical application.
Tubular light guides have found practical application in many buildings.
The work has found practical application in the assessment of employees and of candidates for positions.
But the extent to which this knowledge has found practical application is reflected in the development in Shantung of a new stove and other primitive innovations.
Nevertheless, the chemistry of heterocyclic compounds with rings seven-membered or larger is much less developed than that of five- and six-membered ring heterocycles, although these compounds are usually stable and some of them have found practical application.
The discrete element method has been in development since 1970s and has recently found practical application in simulations of granular assemblies to investigate natural phenomena as well as a design tool for technology.
Although bioluminescent systems have not yet found practical applications, they are interesting because of their high luminescence efficiency.
Thus, this novel non-enzymatic sensor can be found practical applications in H2O2 detection.
I have likened it to the barnstorming era of atmospheric flight, when humans flew mostly for the exhilaration of the achievement, before they found practical applications in war and commerce.
In addition to the Institute for Advanced Study in Princeton, N.J., the Mount Rushmore of theoretical science, he acknowledges the achievements of corporate facilities like Bell Labs and I.B.M.'s Watson Research Center in the halcyon days when many innovations had not found practical applications and progress was its own reward.
Virtual reality innovations are often believed to be speculative technologies that haven't yet found practical applications.
