Helmut Schroder-Brumloop

Person

Berlin, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Elevator door system
- Patent number 8,448,751
- Issue date May 28, 2013
- Otis Elevator Company
- Christian G. Tonna
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Elevator door system
- Patent number 7,246,688
- Issue date Jul 24, 2007
- Otis Elevator Company
- Christian G. Tonna
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator rescue system
- Patent number 6,269,910
- Issue date Aug 7, 2001
- Otis Elevator Company
- Richard N. Fargo
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator rescue system
- Patent number 6,196,355
- Issue date Mar 6, 2001
- Otis Elevator Company
- Richard N. Fargo
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Belt-climbing elevator having drive in counterweight
- Patent number 6,193,018
- Issue date Feb 27, 2001
- Otis Elevator Company
- Helmut Schröder-Brumloop
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Remote storage and reset of elevator overspeed switch
- Patent number 6,186,281
- Issue date Feb 13, 2001
- Otis Elevator Company
- Chris Pietrzykowski
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Speed and direction indicator for elevator systems
- Patent number 6,161,656
- Issue date Dec 19, 2000
- Otis Elevator Company
- Herbert Horbrugger
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Belt-climbing elevator having drive in counterweight
- Patent number 6,138,799
- Issue date Oct 31, 2000
- Otis Elevator Company
- Helmut Schroder-Brumloop
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Generation of an elevator door close warning
- Patent number 5,821,478
- Issue date Oct 13, 1998
- Otis Elevator Company
- Helmut L. Schroder-Brumloop
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Double-drive automatic sliding door operator
- Patent number 5,711,112
- Issue date Jan 27, 1998
- Otis Elevator Company
- Michael T. Barten
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Active stabilization of serially connected capacitors in high volta...
- Patent number 5,682,022
- Issue date Oct 28, 1997
- Otis Elevator Company
- Helmut Lothar Schroder-Brumloop
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for controlling elevator doors
- Patent number 5,587,565
- Issue date Dec 24, 1996
- Otis Elevator Company
- Helmut Schroder-Brumloop
- G05 - CONTROLLING REGULATING
Information Patent Grant
Level conversion of AC or DC voltage with noise rejection and low p...
- Patent number 5,491,405
- Issue date Feb 13, 1996
- Otis Elevator Company
- Helmut L. Schroder-Brumloop
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low cost current sensor for fast-switching inverter applications
- Patent number 5,367,240
- Issue date Nov 22, 1994
- Otis Elevator Company
- Helmut L. Schroder-Brumloop
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driver for power field-controlled switches with refreshed power sup...
- Patent number 5,272,398
- Issue date Dec 21, 1993
- Otis Elevator Company
- Helmut L. Schroder-Brumloop
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Elevator door system
- Publication number 20060196733
- Publication date Sep 7, 2006
- Christian G. Tonna
- B66 - HOISTING LIFTING HAULING
Information Patent Application
ELEVATOR DOOR SYSTEM
- Publication number 20020003065
- Publication date Jan 10, 2002
- CHRISTIAN G. TONNA
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Helmut Schroder-Brumloop

Person

Patents Grantslast 30 patents

Elevator door system

Elevator door system

Elevator rescue system

Elevator rescue system

Belt-climbing elevator having drive in counterweight

Remote storage and reset of elevator overspeed switch

Speed and direction indicator for elevator systems

Belt-climbing elevator having drive in counterweight

Generation of an elevator door close warning

Double-drive automatic sliding door operator

Active stabilization of serially connected capacitors in high volta...

Method for controlling elevator doors

Level conversion of AC or DC voltage with noise rejection and low p...

Low cost current sensor for fast-switching inverter applications

Driver for power field-controlled switches with refreshed power sup...

Patents Applicationslast 30 patents

Elevator door system

ELEVATOR DOOR SYSTEM