I recently ran across a tool concept as I was "window shopping" new things on the tool market. What I found is a beauty of an adjustable wrench manufactured by Irwin Industrial Tools.
( Not the wrench pictured).
I don't know if an adjustable wrench with a lever for adjustment rather than the old screw mechanism is a totally new idea but I can sure guarantee you that I have never seen the concept executed as nicely as this tool appears to be.
This lifetime guaranteed wrench is two times faster to adjust than the standard screw mechanism adjustable wrench the manufacturer claims. It would seem that the secret is in how the lever mechanism releases the jaw with one lever action and leaves it free to be adjusted. The wrench head has graduated markings to indicate the size of the jaw opening and the manufacturer states that the internal jaw slide is grooved.
These ergonomically focused wrenches start at a length of 6" with a girth of 7/8" and range all the way to a 12" model with a girth of 1-1/2". It was reported in one review that the wrenches start in price at about $20.