| US3861823A
              (en)
            
            * | 1973-01-15 | 1975-01-21 | Caterpillar Tractor Co | Compressor with retractable guide vanes | 
        
          | US4591312A
              (en)
            
            * | 1983-08-22 | 1986-05-27 | Electric Power Research Institute | Particle laden fluid powered gas turbine and like apparatus and method of operation | 
        
          | US4617028A
              (en)
            
            * | 1983-11-03 | 1986-10-14 | General Electric Company | Aircraft engine air intake including a foreign object separator | 
        
          | DE161559T1
              (de)
            
            * | 1984-05-15 | 1986-04-10 | Aktieselskabet Kongsberg Vaepenfabrikk, Kongsberg | Einstecktiefe- und winkelstandregelungseinrichtung fuer verdichtereinlassleitschaufel. | 
        
          | FI843605A7
              (fi)
            
            * | 1984-09-14 | 1986-03-15 | A Ahlstroem Oy | Turbiinin johtospiraalin käyttö hiukkaserottimena. | 
        
          | US4867634A
              (en)
            
            * | 1986-05-09 | 1989-09-19 | Allied-Signal Inc. | Turbocharger turbine housing particulate debris trap | 
        
          | US5123240A
              (en)
            
            * | 1990-03-19 | 1992-06-23 | General Electric Co. | Method and apparatus for ejecting foreign matter from the primary flow path of a gas turbine engine | 
        
          | US5343823A
              (en)
            
            * | 1992-01-10 | 1994-09-06 | Hughes Aircraft Company | Large diameter low RPM propeller for torpedoes | 
        
          | US6698180B2
              (en) | 2001-08-01 | 2004-03-02 | Rolls-Royce Corporation | Particle separator for a turbine engine | 
        
          | US6499285B1
              (en)
            
            * | 2001-08-01 | 2002-12-31 | Rolls-Royce Corporation | Particle separator for a gas turbine engine | 
        
          | US6533541B1
              (en)
            
            * | 2001-12-04 | 2003-03-18 | Honeywell International, Inc. | High energy particle arrestor for air turbine starters | 
        
          | US6695574B1
              (en)
            
            * | 2002-08-21 | 2004-02-24 | Pratt & Whitney Canada Corp. | Energy absorber and deflection device | 
        
          | US7192462B2
              (en)
            
            * | 2004-04-14 | 2007-03-20 | Aerospace Filtration Systems, Inc. | Engine air filter and sealing system | 
        
          | EP2466097A1
              (en) | 2005-06-20 | 2012-06-20 | Rolls-Royce North American Technologies, Inc. | Clustered inlet particle selector | 
        
          | EP1893862B1
              (en)
            
            * | 2005-06-20 | 2014-05-21 | Rolls-Royce North American Technologies, Inc. | Particle separators for gas turbine engines | 
        
          | EP2472082A3
              (en)
            
            * | 2005-06-20 | 2013-01-23 | Rolls-Royce North American Technologies, Inc. | Particle separator for a gas turbine engine | 
        
          | FR2914364B1
              (fr)
            
            * | 2007-03-30 | 2009-06-12 | Snecma Sa | Partie avant de turbomachine comprenant un systeme de deflecteur de corps etrangers, tels que des grelons. | 
        
          | US8016902B2
              (en)
            
            * | 2007-05-15 | 2011-09-13 | Techtronic Floor Care Technology Limited | Cyclonic utility vacuum | 
        
          | US9046056B2
              (en)
            
            * | 2008-12-26 | 2015-06-02 | Rolls-Royce North American Technologies, Inc. | Inlet particle separator system for a gas turbine engine | 
        
          | US10100734B2
              (en)
            
            * | 2015-02-24 | 2018-10-16 | Honeywell International Inc. | Multi-channel particle separator | 
        
          | US10767558B2
              (en) | 2018-03-07 | 2020-09-08 | Rolls-Royce North American Technologies Inc. | Adaptive-curvature inertial particle separators | 
        
          | US10767559B2
              (en) | 2018-03-29 | 2020-09-08 | Rolls-Royce North American Technologies Inc. | Adaptive-area inertial particle separators | 
        
          | US11964223B1
              (en)
            
            * | 2022-10-15 | 2024-04-23 | Beta Air, Llc | Methods and apparatus for an inertial separation of air in an electric aircraft |