Inventor

Rolf Muller

Inventor

St. Georgen, DE

Overview

137→

Patents

1976–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 137 as inventor

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

H02Kprimary

H02KDynamo-electric machines23%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters12%

G11BInformation storage based on relative movement between record carrier and transducer6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

A01NPreservation of bodies of humans or animals or plants or parts thereof4%

B65BMachines, apparatus or devices for, or methods of, packaging articles or materials4%

Y10TTechnical subjects covered by former us classification3%

B41FPrinting machines or presses2%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers2%

C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms2%

PatentTitleYear

11,034,648Cystobactamide derivatives2021 10,772,319Stabilization of thrombocytes at ambient temperatures2020 10,465,781Torque converter core ring including wrapped outer diameter2019 10,253,288Receptacle for accepting nutrient media2019 10,089,883Monitoring system for monitoring a watercraft or several watercrafts as well as a process for verifying a watercraft or several watercrafts2018 10,064,404Stabilization of thrombocytes at ambient temperatures2018 9,999,217Compositions for stabilizing DNA, RNA, and proteins in blood and other biological samples during shipping and storage at ambient temperatures2018 9,845,489Compositions for stabilizing DNA, RNA and proteins in saliva and other biological samples during shipping and storage at ambient temperatures2017 9,725,703'Formulations and methods for stabilizing PCR reagents'2017 9,376,709'Compositions for stabilizing DNA and RNA in blood and other biological samples during shipping and storage at ambient temperatures'2016 9,347,717'Method for a circuit with heat accumulator'2016 9,078,426'Integration of sample storage and sample management for life science'2015 8,900,856'Integration of sample storage and sample management for life science'2014 8,707,578'Sheet processing machine, in particular sheet-fed printing press and method of drying sheets'2014 8,519,125'Compositions and methods for biological sample storage'2013 7,954,431'Method for determining operating parameters of a printing press'2011 7,779,791'Circuit arrangement for the cooling of charge air and method for operation of such a circuit arrangement'2010 7,650,753'Arrangement for cooling exhaust gas and charge air'2010 7,475,764'Device for driving a coolant pump'2009 D0574505'Sample storage device'2008 7,084,727'Switching device comprising a uniform control tile'2006 RE038772'Disk storage device having an undercut hub member'2005 RE038601'Disk storage device having a radial magnetic yoke feature'2004 6,647,881'Printing machine and atmospheric changing device therefor'2003 RE038179'Disk storage device having a three-phase brushless DC underhub configured spindle motor'2003 RE038178'Disk storage device having an underhub spindle motor'2003 6,540,048'Elevator installation with hoistway doors'2003 6,419,052'Equipment for carrying out operations in an elevator shaft'2002 6,295,789'Tightening arrangement for paperboard wrap'2001 6,213,613'Illumination apparatus for instrument panels especially of motor vehicles'2001 6,202,801'Equipment for carrying out operations in an elevator shaft'2001 6,202,800'Equipment for carrying out operations in an elevator shaft'2001 6,158,586'Tightening arrangement for paperboard wrap and tightening section for apparatus for applying a wrap around a plurality of articles'2000 RE036860'Brushless direct current motor'2000 5,909,072'Brushless three-phase dc motor'1999 RE036168'Brushless DC drive motor with external rotor for use in disc drives and like devices'1999 5,873,309'Rotary printing machine with a device for treating the surface of sheets'1999 5,834,873'Brushless three-phase dc motor'1998 5,820,311'Lathe cutting tool'1998 5,801,900'Disk storage device, with hub and drive motor rotor features'1998 5,669,203'Carton activating mechanism'1997 5,661,351'Disc drive having a brushless DC drive motor with an external rotor for supporting one or more storage discs'1997 5,657,615'Spacing conveyor mechanism'1997 5,652,470'Brushless DC drive motor with external rotor for use in disc drives and like devices'1997 5,647,275'Removable cylinder coupling'1997 5,642,604'Spacing conveyor mechanism'1997 5,641,251'All-ceramic drill bit'1997 5,638,665'Spacing conveyor mechanism'1997 5,610,594'Frequency monitoring device'1997 5,565,822'TEM waveguide arrangement'1996 5,469,148'Frequency monitoring device'1995 5,418,416'Brushless three-phase DC motor'1995 5,382,853'Brushless DC drive motor with external rotor for use in disc drives and like devices'1995 5,361,010'Tachogenerator for speed control of electric motors'1994 5,349,275'Brushless direct current motor'1994 5,267,842'Miniaturized direct current fan'1993 5,268,623'D.c. motor with a current-limiting arrangement'1993 5,233,762'Radiator unit for drying and/or hardening coatings of inks and/or varnishes in printing presses'1993 RE034268'Brushless direct current motor system'1993 5,174,588'Automatically locking chuck for drill or the like'1992 5,158,177'Wraparound multipack with carrying handle'1992 5,135,363'Miniaturized direct current fan'1992 5,134,682'Driver circuit for a d.c. motor without commutator'1992 RE033813'Electric motor, particularly a brushless direct current motor'1992 5,038,083'Driver circuit for a d.c. motor without commutator'1991 4,924,156'Driver circuit for a D.C. motor without commutator'1990 4,902,941'Drive motor for information-storage-disk devices'1990 RE033167'Circuit arrangement for monitoring speed of a drive motor'1990 4,806,832'Fan with temperature controlled rotation speed'1989 4,804,892'Collectorless direct current motor, driver circuit for a drive and method of operating a collectorless direct current motor'1989 4,748,388'Brushless d.c. motor having RC time-delay stage(s) and driver transistors which prevent simultaneous conduction by the power transistors of the wound conductor pair(s) of the motor winding'1988 4,730,136'Two-pulse permanent magnet brushless D-C motor'1988 4,724,365'Control circuit for direct current brushless motors'1988 4,717,850'Two-pulse brushless d.c. motor with auxiliary rotor poles'1988 4,701,653'Disk drive with internal brake and static discharge'1987 4,698,542'Brushless direct current motor system'1987 4,667,122'Tachogenerator for speed control of electric motors'1987 4,651,241'Pulse generator in storage drives'1987 4,647,161'Fish eye lens system'1987 4,647,803'Electric motor, particularly a brushless direct current motor'1987 4,627,139'Method for manufacturing ceramic capacitors'1986 4,620,138'Drive arrangement with collectorless D.C. motor'1986 4,618,054'Equipment for feeding packaging blanks to a packaging machine'1986 4,604,665'Driving mechanism for magnetic hard disc'1986 4,591,043'Mechanism for spacing and conveying articles in a packaging machine'1986 4,574,211'Brushless D.C. motor'1986 4,566,593'Carton formed from a plurality of packages'1986 4,556,052'Medical instrument with internal light source for illuminating body cavities'1985 4,554,473'Brushless direct current motor system'1985 4,547,714'Low magnetic leakage flux brushless pulse controlled d-c motor'1985 4,544,852'Circuit arrangement for monitoring speed of a drive motor'1985 4,535,275'Brushless D-C motor system with improved commutation circuit'1985 4,531,079'Brushless DC drive motor for signal recording means'1985 4,529,918'Collectorless direct current outer rotor motor'1985 4,528,483'Multiple-shaft drive'1985 4,525,038'Fish eye lens system'1985 4,520,612'Packaging machine'1985 4,519,010'Driving mechanism for magnetic hard disc memories'1985 4,517,480'Tachogenerator for speed control of electric motors'1985 4,514,654'Small size electric motor'1985 4,501,997'Magnetization for brushless direct current outer rotor motor'1985 4,499,757'Device and method for locking a drive shaft disposed in a fuel injection pump for internal combustion engines and holding bolt therefor'1985 4,482,849'Method and device for alignment of a brushless d.c. motor'1984 4,481,440'Permanent magnet brushless d-c motor with isolated sensor winding means'1984 4,435,128'Apparatus for ascertaining a predetermined rotary position of a rotational body'1984 4,430,603'Brushless direct current motor having a once-around pulse generating means'1984 4,429,263'Low magnetic leakage flux brushless pulse controlled D-C motor'1984 4,426,604'Direct current fan with control means'1984 4,404,495'High frequency resonator'1983 4,398,134'Two-pulse permanent magnet brushless D-C motor'1983 4,394,594'Motor with a disk rotor'1983 4,379,984'Brushless DC motor driven by complementary type transistors'1983 4,376,261'Two-pulse brushless d.c. motor'1983 4,374,347'Brushless d-c motor system'1983 4,371,817'Brushless, permanent magnet d-c pulse current controlled, essentially uniform torque dynamo electric machine, particularly motor'1983 4,339,875'Method of assembling a galvanomagnetic sensor in a cavity in a conducting plate'1982 4,337,424'Speed control for a rotary machine'1982 4,322,666'Brushless, permanent magnet d-c pulse current controlled, essentially uniform torque dynamo electric machine particularly motor'1982 4,305,362'Centrifugal RPM governor for fuel injected internal combustion engines'1981 4,295,913'Electrically operated device, especially duplicating device, with a receptacle to accommodate fluid for the chemical treatment of objects'1981 4,295,168'Method and system to optimize recording conditions in magnetic recording systems'1981 4,286,559'Pneumatic diaphragm control member for a fuel injection device for internal combustion engines'1981 4,243,143'Wrapper for a plurality of articles arranged in rows'1981 4,240,014'Precision motor speed control system'1980 4,230,976'Brushless, permanent magnet d-c motor with improved commutation control'1980 4,214,690'Axial locating of horizontally extending tape drive shaft in cassette machine'1980 4,211,963'Brushless, permanent magnet d-c pulse current controlled, essentially uniform torque dynamo electric machine, particularly motor'1980 4,181,867'Brushless direct-current motor'1980 4,164,690'Compact miniature fan'1979 4,119,895'Brushless d.c. motor with precise speed control'1978 4,115,715'Brushless d. c. motor'1978 4,099,104'Brushless d-c motor system'1978 4,045,942'Apparatus for forming a wrapper about a group of articles'1977 4,036,135'Offset duplicator with master treating means'1977 4,007,390'Brushless D-C motor'1977 3,986,086'Control circuit for brushless D-C motor'1976 3,932,793'Speed control circuit for permanent magnet D-C motors'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1989Patents assigned to PAPST MOTOREN KG (22)· patent assignee history

1976–1997Based in St. Georgen, DE· patent location history

1977–1992Patents assigned to MEAD CORP (7)· patent assignee history

1982–1999Patents assigned to PAPST MOTOREN GMBH & CO KG (44)· patent assignee history

1984–2019Patents assigned to MUELLER ROLF (6)· patent assignee history

1986–2001Based in Mehring, DE· patent location history

1990–2004Based in Munich, DE· patent location history

1993–2014Based in Nussloch, DE· patent location history

2008–2020Patents assigned to BIOMATRICA INC (10)· patent assignee history

2008–2020Based in Del Mar, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PAPST MOTOREN GMBH & CO KG	44	1982–1999
PAPST MOTOREN KG	22	1976–1989
BIOMATRICA INC	10	2008–2020
MEAD CORP	7	1977–1992
MUELLER ROLF	6	1984–2019

Locations

Location	Patents	Span
St. Georgen, DE	57	1976–1997
Munich, DE	18	1990–2004
Del Mar, California, US	9	2008–2020
Mehring, DE	8	1986–2001
Nussloch, DE	5	1993–2014