Environmental Technology

Citations to U.S. patents by U.S. patents granted in 2021

Related WIPO fields:[Chemical engineering | Engines, pumps, turbines | Medical technology | Materials, metallurgy | Basic materials chemistry | Measurement | Thermal processes and apparatus]  All WIPO fields

  1. 5 10010873    Catalytic converter
  Inventors: Yuki Aoki

  1. 5 10213741    Exhaust gas purification catalyst for internal combustion engine
  Inventors: Ryosuke Sato; Kinichi Iwachido

  1. 5 3714987    Helicopter supported aerial fire suppressant applicator
  Inventors: Larry L. Mattson

  1. 5 4979571    Foam producing apparatus and method for emergency foam delivery systems
  Inventors: Alan B. MacDonald

  1. 5 5385208    Airborne fire suppressant foam delivery apparatus
  Inventors: R. Arnold Baker; John Baker

  1. 5 5948723    Layered catalyst composite
  Inventors: Shiang Sung

  1. 5 5968321    Vapor compression distillation system and method
  Inventors: Stephan B. Sears

  1. 5 6003782    Aerial spray system
  Inventors: Jitae Kim; Jong Hae Kim; Hyuntae Kim

  1. 5 6087298    Exhaust gas treatment system
  Inventors: Shiang Sung; Harold Rabinowitz; Rudolf M. Smaling

  1. 5 6209593    Electric in-line snorkel pump for helicopter tanker and method of operation
  Inventors: Delmar G. Nichols, Sr.

  1. 5 6444177    Process and device for the catalytic cleaning of the exhaust gas from a combustion plant
  Inventors: Raimund Müller; Lothar Hofmann; Kurt Schardt; Wieland Mathes

  1. 5 6644595    Fluid loading system
  Inventors: Lee Ramage; Alan B. MacDonald; Rory D. Parker

  1. 5 7273128    Vibration proofing heat shield plate
  Inventors: Takahiro Niwa; Shuichi Ishiwa; Hiroto Sugai; Kazuyo Akimoto; Kazuaki Mishima

  1. 5 8557204    Three-way catalyst having an upstream single-layer catalyst
  Inventors: John G. Nunan; Raoul Klingmann; Ryan J. Andersen; Davion Onuga Clark; David Moser

  1. 5 8853120    Double layered exhaust gas purification catalyst
  Inventors: Yuki Aoki; Takeshi Nobukawa

  1. 5 9579638    Ammonia slip catalyst
  Inventors: Joseph Michael Fedeyko; Kevin Doura; Erich Weigert; Julian Peter Cox; Hai-Ying Chen; Paul Joseph Andersen

  1. 5 9604175    Three-way catalyst systems including Nb—Zr—Al-mixed oxide supports, Ba—Pd, and Rh—Fe material compositions
  Inventors: Randal L. Hatfield; Zahra Nazarpoor; Johnny T. Ngo; Edward J. Lee; Stephen J. Golden

  1. 5 9636634    Diesel oxidation catalyst and exhaust system
  Inventors: Andrew Francis Chiffey; John Benjamin Goodwin; James Leeland; Francois Moreau; Stuart David Reid; Daniel Swallow

  1. 21 5820646    Inline filter apparatus
  Inventors: Gary R. Gillingham; Wayne M. Wagner; Joseph C. Tokar; Daniel T. Risch; Jim C. Rothman; Fred H. Wahlquist

  2. 20 5902364    Conical filter
  Inventors: Joseph C. Tokar; Gary R. Gillingham; Wayne M. Wagner; Daniel T. Risch; Jim C. Rothman; Fred H. Wahlquist; Edward A. Steinbrueck; Steven A. Carter

  2. 20 6179890    Air cleaner having sealing arrangement between media arrangement and housing
  Inventors: Timothy M. Ramos; Edward A. Steinbrueck; Steven Scott Gieseke; Carolyn J. Finnerty; Wayne R. W. Bishop

  2. 20 6190432    Filter arrangement; sealing system; and methods
  Inventors: Steven Scott Gieseke; Carolyn J. Finnerty

  5. 19 6235195    Filter element incorporating a handle member
  Inventors: Joseph C. Tokar

  6. 18 6610126    Filter element having sealing members and methods
  Inventors: Jian Xu; John David Kuhn; Edward J. Kreitinger; Wayne R. W. Bishop; Steven Scott Gieseke

  6. 18 6673136    Air filtration arrangements having fluted media constructions and methods
  Inventors: Gary R. Gillingham; Mark A. Gogins; Thomas M. Weik

  6. 18 6966940    Air filter cartridge
  Inventors: William J. Krisko; Wayne R. W. Bishop; Steven Scott Gieseke; Carolyn J. Finnerty; David W. Nelson

  9. 17 3025963    Products useful as filtering devices and methods of making them
  Inventors: Jordan V. Bauer

  9. 17 4925561    Composite planar and triangularly pleated filter element
  Inventors: Yoshio Ishii; Shigeru Okaya

  9. 17 5772883    Slanted inline filter
  Inventors: Jim C. Rothman; Gary R. Gillingham; Wayne M. Wagner; Joseph C. Tokar; Daniel T. Risch; Fred H. Wahlquist; Bernard A. Matthys

  9. 17 6517598    Filter element having flange and methods
  Inventors: Ross Norman Anderson; Wayne R. W. Bishop; Steven Scott Gieseke

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