Air heater
Latest Leister Technologies AG Patents:
Description
The broken lines in
Claims
The ornamental design for an air heater, as shown and described.
Referenced Cited
Patent History
Patent number: D987793
Type: Grant
Filed: Aug 23, 2021
Date of Patent: May 30, 2023
Assignee: Leister Technologies AG (Kagiswil)
Inventors: Patrick Plank (Emmen), Adam Warkiewicz (Bichelsee)
Primary Examiner: Ania Aman
Application Number: 29/804,881
Type: Grant
Filed: Aug 23, 2021
Date of Patent: May 30, 2023
Assignee: Leister Technologies AG (Kagiswil)
Inventors: Patrick Plank (Emmen), Adam Warkiewicz (Bichelsee)
Primary Examiner: Ania Aman
Application Number: 29/804,881
Classifications
Current U.S. Class:
Heating Element Protected By Grille, Grid, Etc. (D23/335)