Lancaster, Wisconsin
United States
15
2024-12-12
The entities that hold a legal rights for patent applications filed by inventor Knutson Perry W.:
Perry W. Knutson from Lancaster, US has applied for patents for these inventions. The list has both pending applications and granted patents:
APPARATUS AND METHODS FOR DOOR CURTAIN BREAKAWAY DETECTION
#2 | 2024-03-14Apparatus and methods for door curtain breakaway detection
#3 | 2021-03-11Apparatus and methods for door curtain breakaway detection
#4 | 2020-04-16Methods and Systems to Indicate the Status of Door Operations
#5 | 2020-02-27Insulated doors with restorable breakaway sections
#6 | 2017-08-03Insulated doors with restorable breakaway sections
#7 | 2017-05-18Methods and systems to indicate the status of door operations
#8 | 2016-10-27Insulated door panels
#9 | 2016-10-13Methods and systems to indicate the status of door operations
#10 | 2016-04-21Systems and Methods for Aligning Roll-Up Door Curtains
#11 | 2016-02-11Methods and Systems to Indicate the Status of Door Operations
#12 | 2014-11-27Systems and methods to retain and refeed door curtains
#13 | 2014-10-16Systems and methods to retain and refeed door curtains
#14 | 2013-12-26Insulated door panels
#15 | 2010-06-03Flexible insulated door panels with internal baffles
582069 ⎘