Inventor

Werner Groll

Inventor

Alzenau, DE

Overview

1987–2005

Patent span

Human necessities

Primary field (CPC A)

Patents· 15 as inventor

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

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes37%

C22CAlloys27%

A61CDentistry17%

B22FWorking metallic powder10%

Y10TTechnical subjects covered by former us classification7%

B23KSoldering or unsoldering3%

PatentTitleYear

6,974,322'Implant-supported dental prosthesis and a process for its production'2005 6,280,192'Device for handling dental implants'2001 5,779,480'Prosthetic abutment for dental implants'1998 5,688,123'Transfer cap for dental implants'1997 5,560,742'Use of palladium-silver alloys for the manufacture of dentures'1996 5,298,218'Palladium based alloy for dental applications'1994 5,240,172'Solder alloy for dental and jewelry parts'1993 5,221,207'Yellow dental alloy with a high gold content'1993 4,970,050'Method of producing a sintered dental prosthesis'1990 4,863,514'Material for facing denture'1989 4,859,412'Method of producing alloyed powders for dental amalgams'1989 4,836,984'Dentures and alloys for use in same'1989 4,806,306'Attachments in the field of dental technology made of noble metal alloys with melting ranges above 1500 degree celsius'1989 4,689,197'Process for the production of a metallic denture'1987 4,681,735'Use of silver-free palladium alloys for firing on dental ceramics'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2001Patents assigned to DEGUSSA (11)· patent assignee history

1987–1989Based in Karlstein, DE· patent location history

1989–2005Patents assigned to GROLL WERNER (3)· patent assignee history

1989Patents assigned to DEGUSSA ATIENGESELLSCHAFT (1)· patent assignee history

1989Patents assigned to HATHAWAY DORIS (1)· patent assignee history

1989–2005Based in Alzenau, DE· patent location history

1989Based in Alzenau-Horstein, DE· patent location history

2005Patents assigned to GROTE PASCALE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DEGUSSA	11	1987–2001
GROLL WERNERself	3	1989–2005
DEGUSSA ATIENGESELLSCHAFT	1	1989
GROTE PASCALE	1	2005
HATHAWAY DORIS	1	1989

Locations

Location	Patents	Span
Alzenau, DE	10	1989–2005
Karlstein, DE	3	1987–1989
Alzenau-Horstein, DE	2	1989