Inventor

Oliver Schaefer

Inventor
Gruenberg, DE

Overview

43→
Patents
2002–2021
Patent span
Physics
Primary field (CPC G)

Patents· 43 as inventor

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

G01Rprimary
G01RMeasuring electric variables12%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
A47FSpecial furniture, fittings, or accessories for shops, storehouses, bars, restaurants or the like5%
A61MDevices for introducing media into, or onto, the body5%
F04BPositive-displacement machines for liquids5%
G07GRegistering the receipt of cash, valuables, or tokens5%
H02HEmergency protective circuit arrangements5%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors4%
G06KGraphical data reading4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
11,028,232Process for preparing siloxanes containing oxamido ester groups202111,002,776Method and device for determining the division of a total insulation resistance and the division of a total system leakage capacitance in an ungrounded power supply system202110,975,241Polymer compositions comprising siloxane-organo-copolymers202110,920,079Mixtures containing plastic and organic fibres202110,910,993Circuit arrangements for reducing potential-induced degradation in photovoltaic modules2021D0908628Housing for electric conductors202110,784,674Methods and devices for selective insulation monitoring in underground IT power supply systems202010,753,984Method and measurement arrangement for monitoring a production process of a modularly set-up voltage source202010,622,884Electric circuit arrangement for the input protection circuit of a switching power supply and a switching power supply202010,605,853Method and device for extended insulation fault location in an ungrounded power supply system and method for status monitoring of the power supply system202010,598,720Method for insulation fault location and an insulation fault location system for an ungrounded power supply system202010,598,718Method and device for insulation fault location having an adaptive test current determination202010,554,933Reverse vending machine202010,546,198Method for the computer-aided recognition of a transport container being empty and device for the computer-aided recognition of a transport container being empty202010,537,189Reception system for receiving objects202010,431,053Determination of filling levels at the checkout terminal201910,396,545Insulation monitoring device having voltage monitoring and underlying method201910,340,680Method and device for shutting down an installation part exhibiting an insulation fault in an ungrounded power supply system201910,172,986Blood pump integrated in a housing front201910,067,517Method and devices for extended insulation-fault search using a multifunctional test current20189,965,927Checkout system assembly with goods separator detection20189,949,580Reception system for receiving objects20189,745,145'Packing bay system for a goods checkout system'20179,562,529'Tube roller pump with auto-orientable and auto-lockable rotor and medical device for extracorporeal blood treatment with tube roller pump'20179,415,911'Lid apparatus for the pivotable support of a lid on a medical device for extracorporeal blood treatment; medical device for extracorporeal blood treatment with lid apparatus'20169,388,803'Tube roller pump including a pivotable tube support and medical device for extracorporeal blood treatment'20169,316,678'Method and device for determining a maximum leakage current'20169,220,884'Multi-connector and medical device for extracorporeal blood treatment'20159,180,241'Tube roller pump including pivoting cover and medical device for extracorporeal blood treatment'20159,069,025'Method and device for monitoring the insulation of ungrounded DC and AC voltage networks'20158,791,830'Device for current measuring in power supply networks'20148,749,246'Method and device for determining a maximum leakage current'20148,343,629'Fluoropolymer-silicon compounds and method for production'20138,076,002'Laminates comprising thermoplastic polysiloxane-urea copolymers'20117,737,242'Crosslinkable siloxane urea copolymers'20107,683,198'Process for preparing diorganopolysiloxanes'20107,576,229'Hydroxyalkyl-functionalized fillers'20097,153,924'Organopolysiloxane/polyurea/polyurethane block copolymers'20067,014,975'Solids surface-modified with amino groups'20066,881,855'Norbornyl-substituted silanes and the use thereof'20056,815,069'Textile structures comprising organopolysiloxane polyurea-polyurethane block copolymer'20046,753,383'Removal of free aldehydes'20046,498,017'Method for measuring the association of substructures of pathological protein depositions'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2006Based in Munich, DE· patent location history
2006–2021Patents assigned to WACKER CHEMIE AG (9)· patent assignee history
2009–2021Based in Burghausen, DE· patent location history
2011–2019Patents assigned to SCHAEFER OLIVER (6)· patent assignee history
2014–2021Patents assigned to BENDER GMBH & CO KG (16)· patent assignee history
2014–2021Based in Gruenberg, DE· patent location history
2015–2019Based in Neuenstein, DE· patent location history
2016–2019Patents assigned to BRAUN AVITUM AG (3)· patent assignee history
2017–2020Patents assigned to WINCOR NIXDORF INT GMBH (7)· patent assignee history
2017–2020Based in Berlin, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BENDER GMBH & CO KG162014–2021
WACKER CHEMIE AG92006–2021
WINCOR NIXDORF INT GMBH72017–2020
SCHAEFER OLIVERself62011–2019
BRAUN AVITUM AG32016–2019
Locations
LocationPatentsSpan
Gruenberg, DE142014–2021
Burghausen, DE82009–2021
Berlin, DE72017–2020
Neuenstein, DE62015–2019
Munich, DE52004–2006