Inventor

Hans-Georg Schmidt

Inventor

Niederkassel, DE

Overview

1979–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 15 as inventor

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

C07Dprimary

C07DHeterocyclic compounds35%

C07CAcyclic or carbocyclic compounds31%

F02BInternal-combustion piston engines8%

Y02TClimate change mitigation technologies related to transportation8%

B01FMixing, e.g. dissolving, emulsifying or dispersing4%

F16KValves4%

G05DSystems for controlling or regulating non-electric variables4%

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

Y10TTechnical subjects covered by former us classification4%

PatentTitleYear

10,688,460Device for mixing and metering at least two gases2020 5,105,781'Air-compressing internal combustion engine with self-ignition, with a main combustion space and an insert adjoining the latter, accommodated in the cylinder head and having an antechamber'1992 4,673,760'Process for the preparation of vinylcyclopropanecarboxylic acid derivatives'1987 4,562,270'Process for preparing unsaturated six-membered lactones'1985 4,524,216'Method of preparing p-orsellinic acid esters'1985 4,508,914'3H-Furanones'1985 4,424,369'Substituted pyran-2-ones'1984 4,420,629'Method of preparing 3-alkyl-6-methyl-.beta.-resorcylic acid esters'1983 4,347,815'Air-compressing internal combustion engine with a precombustion chamber'1982 4,348,535'Substituted lactones and processes for their preparation'1982 4,198,342'Method of preparing dihalogen vinyl cyclopropanecarboxylic acid esters'1980 4,198,343'Method of preparing dihalogen vinyl cyclopropanecarboxylic acid esters'1980 4,198,341'2,5,5-Trimethyl-3-carbalkoxy-4(.beta.,.beta.-di halovinyl)-4,5-dihydrofurans'1980 4,182,910'Method of preparing orthoacetic acid alkyl esters'1980 4,180,446'Method of preparing dihalogen vinyl cyclopropanecarboxylic acid esters'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1987Patents assigned to DYNAMIT NOBEL AG (12)· patent assignee history

1979–1987Based in Niederkassel, DE· patent location history

1982–1992Patents assigned to DAIMLER BENZ AG (2)· patent assignee history

1982–1992Based in Nurtingen, DE· patent location history

1983Based in Niederkassel-Ranzel, DE· patent location history

2020Patents assigned to AC AIRCONTROLS GMBH (1)· patent assignee history

2020Based in Oberhausen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DYNAMIT NOBEL AG	12	1979–1987
DAIMLER BENZ AG	2	1982–1992
AC AIRCONTROLS GMBH	1	2020

Locations

Location	Patents	Span
Niederkassel, DE	11	1979–1987
Nurtingen, DE	2	1982–1992
Oberhausen, DE	1	2020
Niederkassel-Ranzel, DE	1	1983