Arvos Ljungstrom LLC

United States of America


 
Total IP 46
Total IP Rank # 30,589
IP Activity Score 2.2/5.0    23
IP Activity Rank # 35,378
Dominant Nice Class Environmental control apparatus

Patents

Trademarks

22 3
2 0
18 0
1
 
Last Patent 2025 - Device for fabrication of a weld...
First Patent 2000 - Single seam duct corner
Last Trademark 2024 - RGC
First Trademark 1948 - LJUNGSTROM AIR PREHEATER

Industry (Nice Classification)

Latest Inventions, Goods, Services

2024 G/S Gas coolers for the petrochemical, cement, steel or chemical industry; heat exchangers (as part o...
2023 Invention Fabrication and transport tooling. A transport and assembly alignment tool, for prefabrication, t...
Invention Device for fabrication of a weldment. A device for fabrication of a weldment includes a carrier ...
Invention Device for fabrication of a weldment, and a method of welding and staging using such device. The ...
Invention Rotary regenerative machine structure. A support structure for a rotary regenerative machine or r...
2022 Invention Temperature control system for an air preheater installation. MAX.
Invention A temperature control system for an air preheater installation. MINMAXMAX.
2019 Invention Heat transfer assembly for rotary regenerative preheater. Disclosed is a heat transfer assembly f...
Invention Low profile support structure for a rotary regenerative heat exchanger. A support structure for a...
Invention Flexible seal for a rotary regenerative preheater. A seal assembly includes a leaf assembly and a...
Invention Heat transfer sheet for rotary regenerative heat exchanger. A stack of heat transfer sheets inclu...
2017 Invention Basket for heat transfer elements for a rotary air preheater. A basket for an air preheater inclu...
Invention Method and system for improving boiler effectiveness. 3 in the flue gas mixture is mitigated befo...
Invention Method and system for improving boiler effectivness. A method for improving effectiveness of a st...
Invention Heat transfer sheet assembly with an intermediate spacing feature. A heat transfer sheet assembly...
Invention Rotor for a rotary pre-heater for high temperature operation. A rotor for a high temperature rota...
Invention A rotary pre-heater for high temperature operation. A rotary pre-heater having a cold-end rotor ...
Invention Insulation retaining assembly for a rotary pre-heater for high temperature operation. An insulati...
Invention Flexible seal for a rotary regenerative preheater. A seal assembly includes a first leaf with a s...
2016 Invention A heat transfer sheet assembly with an intermediate spacing feature. A heat transfer sheet assemb...
Invention Trunnion bolt monitoring system. A trunnion bolt monitoring system for an air preheater trunnion ...
Invention A trunnion bolt monitoring system. A trunnion bolt monitoring system for an air preheater trunnio...
Invention An alternating notch configuration for spacing heat transfer sheets. A heat transfer sheet for a ...
Invention Method and system for improving boiler effectiveness. A method for improving effectiveness of a s...
Invention Basket for heat transfer elements for a rotary air preheater. A basket for an air preheater incl...
Invention Method and system for improving boiler effectiveness. 3 in the flue gas which is discharged direc...
Invention Rotary pre-heater for high temperature operation. An insulation retaining assembly for a high tem...
2015 Invention Alternating notch configuration for spacing heat transfer sheets. A heat transfer sheet for a rot...
2013 Invention Leakage reduction system in power plant operations. The leakage reduction system includes a heat ...
Invention Heat transfer element for a rotary regenerative heat exchanger. A rotary regenerative heat exchan...
Invention Heat transfer elements for a closed channel rotary regenerative air preheater. A closed channel r...
Invention Roller for forming heat transfer elements of heat exchangers. A roller for forming heat transfer ...
2011 Invention Heating element undulation patterns. Heat transfer sheets (70) for a rotary regenerative heat exc...
2010 Invention Exhaust processing and heat recovery system. A thermally efficiency regenerative air preheater 25...
2009 Invention System and method for non-contact sensing to minimize leakage between process streams in an air p...
1999 G/S Heat Transfer Element For Use In Heat Exchangers
1987 G/S HEAT TRANSFER ELEMENT FOR USE IN HEAT EXCHANGERS
1948 G/S AIR PREHEATERS USING HEAT FROM HOT GASES