The United States Bowling Congress maintains the database of sanctioned 300 games bowled in the US. The International Bowling Museum and Hall of Fame provides access to look up your 300 game, if bowled.
It is the total pinfall of three games of bowling The maximum you can get is 900 (300 each game)
The no tap 300 bowler may get something from the establishment where it was bowled but the American Bowling Congress does not recognize 300 games bowled during no tap competition.
The United States Bowling Congress museum in Arlington, TX maintains and displays a database of bowlers who have bowled a certified 300 game during certified USBC play.
There is no way to know the exact answer.
At the time of this writing, Walter Ray Williams Jr. has 93 recorded 300 games for PBA.
A 300 in bowling is a perfect game, with 12 strikes in a row.
I believe there are a few bowlers with 50 or more 300 games.
bowling a perfect game at 300
I don't believe this statistic is kept. The list of 300 games can be found at the Hall of Fame Bowling Museum in Arlington, TX
3 games in a row in bowling, adding up to 900, only way is to bowl 3 300 games in a row