Inventor

Andreas P. Friedrich

Inventor

Metz-Tessy, FR

Overview

2002–2021

Patent span

Physics

Primary field (CPC G)

Patents· 63 as inventor

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

G01Rprimary

G01RMeasuring electric variables25%

G01DMeasuring not specially adapted for a specific variable18%

B25DPercussive tools9%

G01BMeasuring length, thickness or similar linear dimensions6%

H01LSemiconductor devices6%

H10NElectric solid-state devices not otherwise provided for6%

B25FCombination or multi-purpose tools not otherwise provided for5%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%

H10DInorganic electric semiconductor devices3%

F16HGearing2%

PatentTitleYear

11,022,464Back-biased magnetic field sensor having one or more magnetoresistance elements2021 10,916,665Magnetic field sensor integrated circuit with an integrated coil2021 10,884,031Current sensor system2021 10,782,152Magnetic field sensors and method for determining position and orientation of a magnet2020 10,598,515Angle sensing using differential magnetic measurement and a back bias magnet2020 10,520,559Arrangements for Hall effect elements and vertical epi resistors upon a substrate2019 10,437,312System, method and display device for managing the occupation of shared spaces2019 10,408,639Shifting device of a vehicle transmission2019 10,386,427Magnetic field sensor having at least two CVH elements and method of operating same2019 10,385,964Enhanced neutral gear sensor2019 10,323,958Assembly using a magnetic field sensor for detecting a rotation and a linear movement of an object2019 10,272,559Side handle2019 10,234,513Magnetic field sensor integrated circuit with integral ferromagnetic material2019 10,230,006Magnetic field sensor integrated circuit with an electromagnetic suppressor2019 10,137,562Rear handle2018 10,078,117Magnetic field sensors and methods using mixing in a magnetoresistance element2018 10,046,451Rear handle2018 10,040,184Rear handle2018 9,993,915Rear handle2018 9,869,566'Angle sensing using differential magnetic measurement and a back bias magnet'2018 9,823,090'Magnetic field sensor for sensing a movement of a target object'2017 9,812,588'Magnetic field sensor integrated circuit with integral ferromagnetic material'2017 9,797,746'Systems and methods for detecting a magnetic target by computing a barycenter'2017 9,797,963'Systems and methods for a magnetic target with magnetic bias field'2017 9,739,637'Magnetic field motion sensor and related techniques'2017 9,664,497'Magnetic field sensor and method for sensing relative location of the magnetic field sensor and a target object along a movement line'2017 9,664,748'Systems and methods for providing signal encoding representative of a signature region in a target'2017 9,606,190'Magnetic field sensor arrangements and associated methods'2017 9,605,975'Magnetic field sensor for orientation independent speed and direction measurement'2017 9,541,424'Circuits and methods for processing signals generated by a circular vertical hall (CVH) sensing element in the presence of a multi-pole magnet'2017 9,506,431'Detachable connecting device for connecting at least two functional components and functional components'2016 9,494,660'Integrated circuit package having a split lead frame'2016 9,417,295'Circuits and methods for processing signals generated by a circular vertical hall (CVH) sensing element in the presence of a multi-pole magnet'2016 9,411,025'Integrated circuit package having a split lead frame and a magnet'2016 9,411,023'Magnetic field sensing element combining a circular vertical hall magnetic field sensing element with a planar hall element'2016 9,346,408'Device for arranging a reflective-vest device on a side door of a motor vehicle'2016 9,339,924'Hammer'2016 9,329,057'Gear tooth sensor with peak and threshold detectors'2016 9,180,586'Handle assembly for power tool'2015 9,182,456'Magnetic field sensor for sensing rotation of an object'2015 9,168,649'Hammer drill'2015 9,151,807'Circuits and methods for generating a self-test of a magnetic field sensor'2015 9,140,536'Circuits and methods using a first cycle of a signal to generate a threshold signal used for comparing to a second later cycle of the signal'2015 9,081,041'High accuracy differential current sensor for applications like ground fault interrupters'2015 9,046,383'Systems and methods that use magnetic field sensors to identify positions of a gear shift lever'2015 9,007,054'Angle sensor with misalignment detection and correction'2015 8,957,676'Magnetic field sensor having a control node to receive a control signal to adjust a threshold'2015 8,939,231'Rear handle'2015 8,922,206'Magnetic field sensing element combining a circular vertical hall magnetic field sensing element with a planar hall element'2014 8,896,295'Magnetic field sensor having multiple sensing elements and a programmable misalignment adjustment device for misalignment detection and correction in current sensing and other applications'2014 8,818,749'Circuits and methods for generating a self-test of a magnetic field sensor'2014 8,749,005'Magnetic field sensor and method of fabricating a magnetic field sensor having a plurality of vertical hall elements arranged in at least a portion of a polygonal shape'2014 8,729,892'Differential magnetic field sensor structure for orientation independent measurement'2014 8,598,867'Circuits and methods for generating a threshold signal used in a motion detector'2013 8,584,769'Vibration reduction handle assembly for a hammer drill'2013 8,447,556'Circuits and methods for generating a self-test of a magnetic field sensor'2013 8,058,864'Circuits and methods for providing a magnetic field sensor with an adaptable threshold'2011 7,814,986'Lubricant system for powered hammer'2010 7,800,389'Integrated circuit having built-in self-test features'2010 7,624,815'Powered hammer with vibration dampener'2009 7,413,026'Lubricant system for powered hammer'2008 7,166,807'Current sensor'2007 6,484,586'Differential pressure transducer'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2019Patents assigned to BLACK & DECKER INC (12)· patent assignee history

2008–2010Based in Lumburg, DE· patent location history

2009–2019Based in Limburg, DE· patent location history

2010–2021Based in Metz-Tessy, FR· patent location history

2011–2019Patents assigned to FRIEDRICH ANDREAS P (16)· patent assignee history

2013–2021Patents assigned to ALLEGRO MICROSYSTEMS LLC (42)· patent assignee history

2013–2017Patents assigned to FOLETTO ANDREA (12)· patent assignee history

2013–2019Patents assigned to DOOGUE MICHAEL C (6)· patent assignee history

2016Based in Neuhaus-Schierschnitz, DE· patent location history

2016Based in Neuhausen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ALLEGRO MICROSYSTEMS LLC	42	2013–2021
FRIEDRICH ANDREAS Pself	16	2011–2019
BLACK & DECKER INC	12	2008–2019
FOLETTO ANDREA	12	2013–2017
DOOGUE MICHAEL C	6	2013–2019

Locations

Location	Patents	Span
Metz-Tessy, FR	46	2010–2021
Limburg, DE	11	2009–2019
Lumburg, DE	2	2008–2010
Neuhaus-Schierschnitz, DE	1	2016
Neuhausen, DE	1	2016