'practical innovation' is perfectly usable in written English.
You can use it to describe something that is new and creative while also being applicable to the situation at hand. For example: "Companies that succeed are those that prioritize practical innovation instead of just chasing trends."
There was also a key practical innovation: in 1977, plastic or PET (polyethylene terephthalate) bottles were introduced into the soft drink market.
Maths might seem a far cry from the sort of practical innovation described above, but of course it's the root of great logistics.
The ultimate problem with the peanut-butter hack, I think, is that Weidner attempted to sell it as a practical innovation when it's really an aesthetic one.
A more practical innovation comes from British manufacturer Shreddies, which has developed flatulence-filtering underwear, allowing you to "fart with confidence".
Early steam engines were extremely inefficient; but over the years, less through scientific breakthroughs than through experience and practical innovation, they became vastly better.
Brett founded a series of quadrennial theatre engineering and architecture conferences in 2002 – the next one is in London, in June – that continue to exert enormous influence and practical innovation in his profession.
Most practical innovations take place in garages, dorm rooms and co-working spaces.
The competition sparks practical innovations, with football-themed robotics reports cropping up in a variety of engineering journals.
One of the design's most practical innovations is a long, tapered shed structure at one end of the lot that encloses all of the mechanical systems.
Just as technology feeds on fundamental science for new practical innovations, so physics appropriates the techniques and instrumentation of modern technology for advancing itself.
Of course, many of these ideas may never see the light of day or are unworkable on a mass scale, so what are the more realistic and practical innovations?
