US011000608B2 ( 12 ) United States Patent ( 10 ) Patent No .: US 11,000,608 B2 Stibich et al . ( 45 ) Date of Patent : May 11 , 2021 ( 54 ) ULTRAVIOLET LAMP ROOM / AREA ( 58 ) Field of Classification Search DISINFECTION APPARATUSES HAVING CPC A61L 2/00 ; A61L 2/08 ; A61L 2/10 ; A61L INTEGRATED COOLING SYSTEMS 2/26 ( 71 ) Applicant: Xenex Disinfection Services LLC . , San ( Continued ) Antonio , TX (US ) ( 56 ) References Cited ( 72 ) Inventors : Mark A. Stibich , Santa Fe , NM (US ); James B. Wolford , Chicago , IL (US ); U.S. PATENT DOCUMENTS Alexander N. Garfield , Chicago, IL ( US ) ; Martin Rathgeber , Chicago , IL 2,182,732 A 12/1939 Meyer et al . ( US ) ; Eric M. Frydendall , Denver, CO 2,215,635 A 9/1940 Collins ( US ) (Continued ) ( 73 ) Assignee : Xenex Disinfection Services Inc. , San FOREIGN PATENT DOCUMENTS Antonio , TX (US ) CA 2569130 6/2008 CN 87203475 8/1988 ( * ) Notice : Subject to any disclaimer , the term of this patent is extended or adjusted under 35 ( Continued ) U.S.C. 154 ( b ) by 0 days . OTHER PUBLICATIONS ( 21 ) Appl . No.: 15 /898,862 Newsome , “ Solaration of Short - Wave Filters , ” Nov. 21 , 2003 , pp . ( 22 ) Filed : Feb. 19 , 2018 1-17 . ( Continued ) ( 65 ) Prior Publication Data US 2018/0169280 A1 Jun . 21 , 2018 Primary Examiner Jason L McCormack ( 74 ) Attorney , Agent, or Firm — Egan , Enders & Huston Related U.S. Application Data LLP. ( 60 ) Division of application No. 15 / 632,561 , filed on Jun . 26 , 2017 , now Pat. No. 10,004,822 , which is a ( 57 ) ABSTRACT ( Continued ) Apparatuses are disclosed which have an ultraviolet light lamp, a housing transparent to ultraviolet light surrounding ( 51 ) Int . Cl . the lamp and an exhaust duct extending from a gas outlet of AGIL 2/10 ( 2006.01 ) the housing into a support structure that has an outlet GO2B 5/20 ( 2006.01 ) disposed along its lower half portion or its bottom surface . (Continued ) Other embodiments of apparatuses are disclosed which have ( 52 ) U.S. CI . a pulsed ultraviolet light lamp and a sensor system to CPC A61L 2/10 ( 2013.01 ) ; A61L 2/26 monitor and determine when to replace the pulsed lamp ( 2013.01 ) ; G02B 5/208 ( 2013.01 ) ; HO1J 61/40 based on pulse count. ( 2013.01 ) ; (Continued ) 19 Claims , 4 Drawing Sheets 86 68 66 ? 20 39 72 64 -70 40 74 44 48 24 50 46 56 22 42 54 52 34 32 30 26 36 38 US 11,000,608 B2 Page 2 Related U.S. Application Data 6,962,239 B2 11/2005 Shikai et al . 6,967,008 B1 11/2005 Barnes continuation of application No. 14 / 804,530 , filed on 7,122,115 B2 10/2006 Holt et al . 7,153,808 B2 12/2006 Iwamoto et al . Jul. 21 , 2015 , now Pat . 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