Inventor

Siegfried Mayer

Inventor
Moosinning, DE

Overview

35→
Patents
1976–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 35 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H05Bprimary
H05BElectric heating28%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications14%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids10%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems8%
F01CRotary-piston or oscillating-piston machines or engines6%
Y10TTechnical subjects covered by former us classification6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
E05BLocks3%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges3%
F16CShafts3%
PatentTitleYear
10,251,227Clocked electronic energy converter201910,219,334Circuit arrangement for operating semiconductor light sources20199,967,931Clocked electronic energy converter20189,445,466'Lighting system with an interface having a power supply unit and at least one light source module'20168,754,652'Method for ascertaining a type of a gas discharge lamp and electronic ballast for operating at least two different types of gas discharge lamps'20148,669,707'Electronic control gear for operating at least one LED and/or at least one discharge lamp'20148,659,231'Electronic ballast and method for operation of at least one discharge lamp'20148,525,057'Switching unit for a circuit breaker having a rocker lever'20138,441,200'Electronic ballast and method for operating at least one first and second discharge lamp'20138,410,721'Electronic ballast and method for operating at least one discharge lamp'20138,379,422'Circuit arrangement comprising a voltage transformer and associated method'20138,134,297'Ballast for a discharge lamp with adaptive preheating'20128,093,836'Circuit arrangement and method for striking a discharge lamp'20127,786,683'Circuit arrangement and method for operating at least one electric lamp and at least one LED'20107,327,094'Circuit arrangement and method for operating at least one electric lamp'20087,309,963'Smoothing circuit for improving EMC'20077,154,233'Converter circuit with coupled inductances having asymmetrical air gap arrangement'20067,081,596'Arc-quenching device for circuit breakers having double-break contacts'20067,053,561'Circuit apparatus and method for operating a lamp'20067,034,465'Device for operating discharge lamps by means of a transformer with four windings, and a corresponding method'20066,969,975'Circuit arrangement for power factor correction'20056,833,678'Circuit arrangement for operating discharge lamps'20044,691,950'Device for detachably securing pivotally connected members in a predetermined relative position'19874,681,514'Radial piston pump having sealing disc'19874,455,130'Gear machine with oppositely aligned sealing elements'19844,443,168'Gear machine centering arrangement'19844,400,146'Fluid-operated gear machine'19834,354,365'Permutation lock'19824,336,006'Gear positive displacement machine with gaps between bearing members and housing'19824,320,984'Arrangement for connecting two structural parts'19824,309,158'Gear positive displacement machine with U-shaped supporting element for sealing member'19824,056,337'External gear type fluid displacing machine with bearing gap'19774,029,446'Sealing arrangement for gear-type fluid displacing machines'19773,994,093'Window with sash capable of pivoting movement about two perpendicular axes'19763,986,800'Gear type pump or motor with radial balancing'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1987Patents assigned to BOSCH GMBH ROBERT (10)· patent assignee history
1976–1987Based in Vaihingen, DE· patent location history
1976–1987Based in Munster-Wolbeck, DE· patent location history
2004–2008Patents assigned to PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH (6)· patent assignee history
2004–2019Based in Moosinning, DE· patent location history
2006–2013Based in Gottmadingen, DE· patent location history
2010–2019Patents assigned to OSRAM GMBH (9)· patent assignee history
2012–2014Patents assigned to MAYER SIEGFRIED (9)· patent assignee history
2012–2014Patents assigned to BUSSE OLAF (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOSCH GMBH ROBERT101976–1987
MAYER SIEGFRIEDself92012–2014
OSRAM GMBH92010–2019
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH62004–2008
BUSSE OLAF52012–2014
Locations
LocationPatentsSpan
Moosinning, DE202004–2019
Vaihingen, DE101976–1987
Munster-Wolbeck, DE31976–1987
Gottmadingen, DE22006–2013