Inventor

Harald Hoffmann

Inventor

Rothenburg ob der Tauber, DE

Overview

23→

Patents

1976–2020

Patent span

Physics

Primary field (CPC G)

Patents· 23 as inventor

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

F24Cprimary

F24CDomestic stoves or ranges11%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy9%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%

B01DSeparation6%

H05BElectric heating6%

G04CElectromechanical clocks or watches4%

G06FElectric digital data processing4%

Y02PClimate change mitigation technologies in the production or processing of goods4%

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

A24BManufacture or preparation of tobacco for smoking or chewing2%

PatentTitleYear

10,837,649Control unit for a domestic appliance2020 10,555,381Induction hob2020 10,393,388Control unit for a cooking hob2019 10,349,467Cooking hob with a balance system and a method for adjusting the temperature of a cooking vessel2019 10,088,145Illumination device for a cooking zone element of a cooking hob covered by a transparent panel and a corresponding cooking zone element and cooking hob2018 9,615,692'Grill and/or frying plate for the use on cooking hobs'2017 9,210,951'Tobacco cut filler including cut rolled stems'2015 9,140,458'Cooktop-interface having projection display device'2015 8,359,442'Computer system with controlled data access'2013 7,407,728'Alkaline cell or battery'2008 6,280,880'Method for surface treatment of fibrous polyphenylene sulfide or polysulfone'2001 5,401,594'Hydrophilized separator material of nonwoven fabric for electrochemical cells and a method for its production'1995 4,973,342'Device with granular bed filters for raw gas purification'1990 4,751,541'Apparatus for treating exposed photosensitive materials'1988 4,670,864'Voice interruptible alarm device'1987 4,613,344'Method and apparatus for cleaning hot gases produced during a coal gasification process'1986 4,566,882'Filter for cleaning gases'1986 4,449,086'Method and apparatus for controlling and regulating a motor with a permanent magnetic rotor'1984 4,418,307'Method and apparatus for controlling the rotational speed and phase of synchronous motors'1983 4,336,038'Filter mat'1982 4,205,108'Surface finished fabric'1980 4,137,379'Storage battery with separator of dumbbell-shaped fibers'1979 3,997,929'Carrier sleeve'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1995Patents assigned to FREUDENBERG CARL FA (5)· patent assignee history

1976–1980Based in Mannheim, DE· patent location history

1982–2008Based in Dossenheim, DE· patent location history

1983–1987Patents assigned to BRAUN AG (3)· patent assignee history

1983–1987Based in Kiel, DE· patent location history

1986–1990Patents assigned to KLOECKNER HUMBOLDT DEUTZ AG (3)· patent assignee history

1986–1990Based in Much, DE· patent location history

2013–2019Patents assigned to HOFFMANN HARALD (5)· patent assignee history

2015–2020Based in Rothenburg ob der Tauber, DE· patent location history

2017–2019Patents assigned to ELECTROLUX HOME PRODUCTS CORP NV (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FREUDENBERG CARL FA	5	1976–1995
HOFFMANN HARALDself	5	2013–2019
ELECTROLUX HOME PRODUCTS CORP NV	4	2017–2019
BRAUN AG	3	1983–1987
KLOECKNER HUMBOLDT DEUTZ AG	3	1986–1990

Locations

Location	Patents	Span
Rothenburg ob der Tauber, DE	5	2015–2020
Dossenheim, DE	4	1982–2008
Much, DE	3	1986–1990
Mannheim, DE	3	1976–1980
Kiel, DE	2	1983–1987