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on 28 Nov 2023
American Efficiency Services, L.L.C.
97640915 · 20 Oct 2022
28 Nov 2029
017
STEAM FLEX TWO,Elastomer expansion joints
on 14 May 2021
AMERICAN EFFICIENCY SERVICES, LLC
75618298 · 07 Jan 1999
30 May 2030
007
Machine tool, namely, tube cleaner brush for being driven through tube...
on 16 Apr 2021
AMERICAN EFFICIENCY SERVICES, LLC
74036481 · 09 Mar 1990
22 Jan 2031
006
METAL ANTI-VIBRATION TUBE STAKES FOR HEAT EXCHANGER BUNDLES USED IN PR...
on 01 Dec 2020
American Efficiency Services, L.L.C.
88911973 · 12 May 2020
01 Dec 2026
017
AMERICAN EFFICIENCY SERVICES FLEX,Elastomer expansion joints,AMERICAN ...
on 01 Dec 2020
American Efficiency Services, L.L.C.
90039386 · 07 Jul 2020
01 Dec 2026
006
Metal Anti-Vibration Tube Stakes for Heat Exchanger Bundles Used in Pr...
on 01 Dec 2020
American Efficiency Services, L.L.C.
88911998 · 12 May 2020
01 Dec 2026
017
Elastomer expansion joints,Elastomer expansion joints
on 24 Apr 2018
AMERICAN EFFICIENCY SERVICES, LLC
75372635 · 14 Oct 1997
13 Apr 2029
019
EXPANSION JOINTS MADE OF RUBBER FOR USE IN STEAM TURBINE POWER PLANTS,...
on 25 Mar 2009
American Efficiency Services, LLC
77470231 · 09 May 2008
042
Inspection, repair, monitoring and cleaning services for tanks, reacto...
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