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Inventor

Alfred Langer

Inventor
Kissing, DE

Overview

14→
Patents
1977–2013
Patent span
Electricity
Primary field (CPC H)

Patents· 14 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
C03CChemical composition of glasses, glazes or vitreous enamels7%
G01RMeasuring electric variables7%
H01JElectric discharge tubes or discharge lamps7%
B01DSeparation3%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding3%
B29CShaping or joining of plastics3%
B29LIndexing scheme associated with subclass b29c, relating to particular articles3%
E05BLocks3%
PatentTitleYear
8,434,797'Shutter fastener system and method of installation'20137,948,251'Guide device and test apparatus for electronic devices'20117,673,520'Device and method for testing electronic components'20106,936,963'Process for encapsulating a component made of organic semiconductors'20056,683,325'Thermal expansion compensated opto-electronic semiconductor element, particularly ultraviolet (UV) light emitting diode, and method of its manufacture'20045,692,885'Laboratory pump for liquids'19975,572,091'Quartz glass with reduced ultraviolet radiation transmissivity, and electrical discharge lamp using such glass'19965,464,462'Method of making a quartz glass tube having a reduced ultraviolet radiation transmissivity'19955,017,500'Fat extraction process and apparatus'19914,685,848'Gear headed fastener and drive tool structure'19874,675,883'Arrangement for Carrier Recovery from Two Received Phase Shift Keyed Signals'19874,550,642'Fluid pressure operated piston engine assembly'19854,295,908'Method and apparatus for heat sealing a plurality of sets of continuous plastic strips together by radio frequency energy'19814,020,613'Fastener'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2013Patents assigned to LANGER ALFRED C (3)· patent assignee history
1977–1987Based in Brookfield, CT, US· patent location history
1987–2004Patents assigned to SIEMENS AG (2)· patent assignee history
1991Patents assigned to GERHARDT FABRIK & LAGER CHEMIS (1)· patent assignee history
1995–2005Patents assigned to PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH (4)· patent assignee history
1995–2005Based in Kissing, DE· patent location history
2010–2011Patents assigned to RASCO GMBH (2)· patent assignee history
2010Based in Kiefersfelden, DE· patent location history
2011Based in Kolbermoor, DE· patent location history
2013Based in New Milford, CT, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH41995–2005
LANGER ALFRED Cself31977–2013
RASCO GMBH22010–2011
SIEMENS AG21987–2004
GERHARDT FABRIK & LAGER CHEMIS11991
Locations
LocationPatentsSpan
Kissing, DE41995–2005
Brookfield, CT, US21977–1987
New Milford, CT, US12013
Kolbermoor, DE12011
Kiefersfelden, DE12010