The phrase "helmet manufacturers" refers to companies or businesses that make and produce helmets, which are protective headgear used in activities such as sports, construction, or biking to prevent head injuries. Full definition
He tested the magnets with a standard drop test — the same test helmet manufacturers use to evaluate helmet strength. (sciencemag.org)
Now every major helmet manufacturer has changed its designs and boasts at least one five - star offering. (ncaa.org)
It's a comprehensive effort to improve the understanding of the biomechanics of head injuries in professional football and to create incentives for helmet manufacturers, small businesses, entrepreneurs, universities and others to develop and commercialize new and improved protective equipment, including helmets. (annualreport.playsmartplaysafe.com)