Philip Carl Spengler

10 Patents

• US124589122025

  Filter Element Locking Mechanism

  Caterpillar Inc.

  0 cites
• US124093992025

  Filter Element Locking Mechanism

  Caterpillar Inc.

  0 cites
• US121619572024

  Integral Filter Endcap, Mold, and Seal

  CATERPILLAR Inc.

  0 cites
• US121218342024

  Top and Bottom Loaded Filter and Locking Mechanism

  Caterpillar Inc.

  0 cites
• US120904262024

  Locking Feature for a Filter

  Caterpillar Inc.

  0 cites
• US119867562024

  3D Printed Staged Filtration Media Packs

  Caterpillar Inc.

  0 cites
• US119696802024

  Filtration Media Produced Using Additive Manufacturing

  Caterpillar Inc.

  0 cites
• US117078922023

  Filtration Media Packs Produced Using Additive Manufacturing

  Caterpillar Inc.

  0 cites
• US116730782023

  Filter Element Locking Mechanism

  Caterpillar Inc.

  0 cites
• US115413342023

  Integral Filter Endcap, Mold, and Seal

  Caterpillar Inc.

  0 cites