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Inventor

Ralph Dammertz

Inventor
Palatine, IL, US

Overview

22→
Patents
2003–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 22 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification16%
B23DPlaning14%
B24BMachines, devices, or processes for grinding or polishing9%
B27GAccessory machines or apparatus for working wood or similar materials7%
B25FCombination or multi-purpose tools not otherwise provided for5%
B27BSaws for wood or similar material5%
B24DTools for grinding, buffing or sharpening4%
B25DPercussive tools4%
B26DCutting4%
G01CMeasuring distances, levels or bearings4%
PatentTitleYear
10,416,347Locating system having a hand-held locating unit201910,060,730System and method for measuring by laser sweeps20189,776,261'Table saw with foldable tabletop'20179,776,262'Table saw with foldable tabletop and handle'20179,662,797'Guard device for a table saw'20179,573,286'Dust collection system for a circular saw'20179,272,439'Rip fence for a table saw having independent alignment and locking'20169,242,328'Monitoring device of a machine tool'20169,168,597'Table saw with foldable tabletop and legs'20159,061,359'Table saw with foldable tabletop'20158,869,665'Table saw dust extraction assembly'20148,613,328'Hand-held power tool, in particular a rotary hammer and/or chisel hammer'20138,522,894'Hand machine tool comprising at least one handle'20138,316,747'Table saw riving knife'20128,297,159'Table saw with dropping blade'20127,886,839'Hand-held power tool with improved vibration-damped handle'20117,732,954'Electrical machine'20106,869,346'Receptacle for grinder tools'20056,794,593'Electric hand power tool with switching key'20046,786,811'Grinding machine tool support'20046,669,544'Protective hood for a right angle grinder'20036,632,128'Angle grinder with electric drive'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2019Patents assigned to BOSCH GMBH ROBERT (22)· patent assignee history
2003–2017Based in Stuttgart, DE· patent location history
2010Based in Mount Prospect, IL, US· patent location history
2012–2018Patents assigned to DAMMERTZ RALPH (11)· patent assignee history
2012Patents assigned to OSHGAN STEPHEN M (2)· patent assignee history
2012–2017Based in Palatine, IL, US· patent location history
2013Based in Prospect, IL, US· patent location history
2014–2017Patents assigned to WIKER JUERGEN (5)· patent assignee history
2016–2018Patents assigned to BOSCH TOOL CORP (6)· patent assignee history
2018–2019Based in Gerlingen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOSCH GMBH ROBERT222003–2019
DAMMERTZ RALPHself112012–2018
BOSCH TOOL CORP62016–2018
WIKER JUERGEN52014–2017
OSHGAN STEPHEN M22012
Locations
LocationPatentsSpan
Palatine, Illinois, US92012–2017
Stuttgart, DE92003–2017
Gerlingen, DE22018–2019
Prospect, Illinois, US12013
Mount Prospect, Illinois, US12010