Our current patents for water treatment are:
4515692; 4659463; 5147530; 8529768; 8535539; 8535540; 9212070; D760872; D768811; 9714715; 9970558; 10012319; 10011500; 10494268; 10494267; 10495230; 10479699; 10590008; 10633262; 10822250; 10822251; 10822252; 10829388; 10865122; 10865123; 10865124; 10948091; D924177
Other patents are pending.