Inventor

Sigrid Hessel-Geldmann

Inventor

Haltern am See, DE

Overview

5→

Patents

2013–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 5 as inventor

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

B29Cprimary

B29CShaping or joining of plastics20%

B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering20%

B22FWorking metallic powder12%

Y02PClimate change mitigation technologies in the production or processing of goods12%

Y10TTechnical subjects covered by former us classification12%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%

PatentTitleYear

10,787,559Powder comprising polymer-coated glass particles2020 10,632,730Process for melting/sintering powder particles for layer-by-layer production of three-dimensional objects2020 9,272,446'Process for melting/sintering powder particles for the layer-by-layer production of three-dimensional objects'2016 9,162,392'Apparatus for avoiding deposits on optical components in the laser sintering process'2015 8,591,797'Copolyamide powder and its preparation, use of copolyamide powder in a shaping process and mouldings produced from this copolyamide powder'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2016Patents assigned to GREBE MAIK (3)· patent assignee history

2013–2016Patents assigned to HESSEL-GELDMANN SIGRID (3)· patent assignee history

2013–2020Patents assigned to ALTKEMPER STEFAN (2)· patent assignee history

2013–2016Patents assigned to EVONIK DEGUSSA GMBH (2)· patent assignee history

2013–2020Based in Haltern am See, DE· patent location history

2015–2020Patents assigned to DIEKMANN WOLFGANG (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DIEKMANN WOLFGANG	3	2015–2020
GREBE MAIK	3	2013–2016
HESSEL-GELDMANN SIGRIDself	3	2013–2016
ALTKEMPER STEFAN	2	2013–2020
EVONIK DEGUSSA GMBH	2	2013–2016

Locations

Location	Patents	Span
Haltern am See, DE	5	2013–2020