loadpatents
name:-0.001323938369751
name:-0.0056741237640381
name:-0.0026588439941406
Neuenfeldt; Douglas L. Patent Filings

Neuenfeldt; Douglas L.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Neuenfeldt; Douglas L..The latest application filed is for "filter housing for filter fan".

Company Profile
1.5.1
  • Neuenfeldt; Douglas L. - Anoka MN
  • Neuenfeldt; Douglas L. - Coon Rapids MN
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Filter housing for filter fan
Grant 10,512,866 - Chang , et al. Dec
2019-12-24
Air conditioner
Grant D803,365 - Raisanen , et al. November 21, 2
2017-11-21
Filter Housing for Filter Fan
App 20170232373 - Chang; Seng ;   et al.
2017-08-17
Air conditioner cover
Grant D739,928 - Raisanen , et al. September 29, 2
2015-09-29
Air conditioner having improved structure for cooling electronics
Grant 5,036,677 - Neuenfeldt , et al. August 6, 1
1991-08-06
Heat exchanger for cooling and method of servicing same
Grant 5,035,281 - Neuenfeldt , et al. July 30, 1
1991-07-30

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