CETY(CETY) - Prospectus(update)

As filed with the Securities and Exchange Commission on March 1, 2023 Registration No. 333-266078 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 4 To FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 CLEAN ENERGY TECHNOLOGIES, INC. (Exact name of registrant as specified in its charter) (State or Other Jurisdiction of Incorporation) (Primary Standard Classification Code) Nevada 3990 20-2675800 (IRS Employer Identification No.) 2990 Redhill Ave, Costa Mesa ...