No manufacturers have adopted the tech; most are likely just waiting out the patent duration before they start using it.
That's not it. He originally tried to sell it to other mfgs. They basically told him, "it's too expensive to put in our low-end saws and if we put it in the high-end ones, we'd be admitting liability for any injuries from the low-end ones."
In other words, it's the lawyers again, just like it always is. So with no one willing to implement it, he struck out on his own with a company that makes only ones that implement it. It would have been in every brand by now if not for ambulance chasers.
That's not it. He originally tried to sell it to other mfgs. They basically told him, "it's too expensive to put in our low-end saws and if we put it in the high-end ones, we'd be admitting liability for any injuries from the low-end ones."
In other words, it's the lawyers again, just like it always is. So with no one willing to implement it, he struck out on his own with a company that makes only ones that implement it. It would have been in every brand by now if not for ambulance chasers.