Derek Lewan

Person

Dubuque, IA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Methods and apparatus to monitor and/or adjust operations of doors
- Patent number 11,952,825
- Issue date Apr 9, 2024
- Rite-Hite Holding Corporation
- Ryan Beggs
- G07 - CHECKING-DEVICES
Information Patent Grant
Insulated doors with restorable breakaway sections
- Patent number 11,085,230
- Issue date Aug 10, 2021
- Rite-Hite Holding Corporation
- Dean Shanahan
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Insulated doors with restorable breakaway sections
- Patent number 10,494,858
- Issue date Dec 3, 2019
- Rite-Hite Holding Corporation
- Dean Shanahan
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Flexible seals for insulated doors
- Patent number 9,771,754
- Issue date Sep 26, 2017
- Rite-Hite Holding Corporation
- Derek Lewan
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
METHODS AND APPARATUS TO MONITOR AND/OR ADJUST OPERATIONS OF DOORS
- Publication number 20240309694
- Publication date Sep 19, 2024
- RITE-HITE HOLDING CORPORATION
- Ryan Beggs
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
METHODS AND APPARATUS TO MONITOR AND/OR ADJUST OPERATIONS OF DOORS
- Publication number 20220356743
- Publication date Nov 10, 2022
- RITE-HITE HOLDING CORPORATION
- Ryan Beggs
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
METHODS AND APPARATUS TO ADJUST DOOR OPERATIONS IN RESPONSE TO SURF...
- Publication number 20220356742
- Publication date Nov 10, 2022
- RITE-HITE HOLDING CORPORATION
- Ryan Beggs
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
METHODS AND APPARATUS TO OPERATE POWERED DOORS
- Publication number 20220356758
- Publication date Nov 10, 2022
- RITE-HITE HOLDING CORPORATION
- Derek Lewan
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Insulated Doors With Restorable Breakaway Sections
- Publication number 20200063486
- Publication date Feb 27, 2020
- RITE-HITE HOLDING CORPORATION
- Dean Shanahan
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Insulated Doors With Restorable Breakaway Sections
- Publication number 20170218683
- Publication date Aug 3, 2017
- Dean Shanahan
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
FLEXIBLE SEALS FOR INSULATED DOORS
- Publication number 20170130522
- Publication date May 11, 2017
- Derek Lewan
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Systems and Methods for Aligning Roll-Up Door Curtains
- Publication number 20160108666
- Publication date Apr 21, 2016
- Derek Lewan
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Derek Lewan

Person

Patents Grantslast 30 patents

Methods and apparatus to monitor and/or adjust operations of doors

Insulated doors with restorable breakaway sections

Insulated doors with restorable breakaway sections

Flexible seals for insulated doors

Patents Applicationslast 30 patents

METHODS AND APPARATUS TO MONITOR AND/OR ADJUST OPERATIONS OF DOORS

METHODS AND APPARATUS TO MONITOR AND/OR ADJUST OPERATIONS OF DOORS

METHODS AND APPARATUS TO ADJUST DOOR OPERATIONS IN RESPONSE TO SURF...

METHODS AND APPARATUS TO OPERATE POWERED DOORS

Insulated Doors With Restorable Breakaway Sections

Insulated Doors With Restorable Breakaway Sections

FLEXIBLE SEALS FOR INSULATED DOORS

Systems and Methods for Aligning Roll-Up Door Curtains