Inventor

Otto Stenzel

Inventor

Grundau, DE

Overview

33→

Patents

1981–2016

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 33 as inventor

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

H05Bprimary

H05BElectric heating14%

F27BFurnaces, kilns, ovens or retorts in general11%

F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace10%

Y02PClimate change mitigation technologies in the production or processing of goods8%

B22DCasting of metals6%

C22BProduction and refining of metals6%

B22FWorking metallic powder5%

B25DPercussive tools5%

E01CConstruction of, or surfaces for, roads, sports grounds, or the like5%

E02DFoundations5%

PatentTitleYear

9,272,407'Percussion tool having cooling of equipment components'2016 8,721,218'Vibrating plate with unbalanced shafts arranged at an angle'2014 8,602,680'Soil compacting device with automatic or operator-intuitive adjustment of the advance vector'2013 8,534,377'Percussive mechanism with an electrodynamic linear drive'2013 8,057,124'Method and device for measuring soil parameters by means of compaction machines'2011 8,047,742'Tamping device'2011 8,047,302'Drilling and/or striking hammer with a lubricating device'2011 7,753,024'Oil supply for an internal combustion engine'2010 7,674,069'Concrete finishing trowel'2010 7,527,107'Working tool with damped handle'2009 6,849,342'Metal-ceramic composite material body and method for producing the same'2005 5,648,620'Sliding surface bearing'1997 5,425,047'Closed induction furnace with a tilting apparatus'1995 5,272,718'Method and apparatus for forming a stream of molten material'1993 5,271,033'Induction furnace for melting and casting substances in a nonreactive atmosphere'1993 5,247,538'Melting furnace with manipulator for closing crucibles vacuum-tight'1993 5,156,202'Process and permanent mold for mold-casting electrically conductive material'1992 5,109,389'Apparatus for generating an inductive heating field which interacts with metallic stock in a crucible'1992 5,021,299'Composite casting for adding lithium to molten alloys'1991 5,012,488'Crucible for inductive heating'1991 4,993,690'Electroslag remelting plant including an ingot mold and a hood'1991 4,919,187'Method for making additions to molten alloys and bodies molded from alloying metals'1990 4,881,239'Fault detection during remelt of electrodes into blocks'1989 4,797,897'Apparatus for controlling the distance of a melting electrode from the surface of the melted material in a vacuum arc furnace'1989 4,775,981'Melting furnace with weight-related control of the consumable electrode'1988 4,767,452'Process for separating metals by distillation and condensation'1988 4,742,528'Compensation for power feed line weight in weight measurement devices'1988 4,658,404'Induction furnace with a furnace bottom and a lid'1987 4,639,567'Method and apparatus for melting rod-shaped material with an induction coil'1987 4,509,807'Sliding contact arrangement for transmitting heavy currents from and to bus bars with slide surfaces'1985 4,495,624'Graphite electrode nipple'1985 4,435,818'Method and apparatus for monitoring the melting process in vacuum arc furnaces'1984 4,262,159'Electroslag remelting apparatus with coaxial current paths'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1990Patents assigned to LEYBOLD HERAEUS GMBH & CO KG (9)· patent assignee history

1981–1993Based in Grundau, DE· patent location history

1988–1993Based in Gruendau, DE· patent location history

1989–1993Patents assigned to LEYBOLD AG (8)· patent assignee history

1995–1997Based in Neuhutten, DE· patent location history

2010–2011Based in NeuhÃ¼tten/WÃ¼stenrot, DE· patent location history

2011–2016Patents assigned to WACKER NEUSON PROD GMBH & CO (6)· patent assignee history

2011–2016Patents assigned to STENZEL OTTO W (5)· patent assignee history

2011–2016Based in Herrsching, DE· patent location history

2013–2016Patents assigned to BERGER RUDOLF (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LEYBOLD HERAEUS GMBH & CO KG	9	1981–1990
LEYBOLD AG	8	1989–1993
WACKER NEUSON PROD GMBH & CO	6	2011–2016
STENZEL OTTO Wself	5	2011–2016
BERGER RUDOLF	2	2013–2016

Locations

Location	Patents	Span
Grundau, DE	15	1981–1993
Herrsching, DE	6	2011–2016
Gruendau, DE	4	1988–1993
NeuhÃ¼tten/WÃ¼stenrot, DE	2	2010–2011
Neuhutten, DE	2	1995–1997