Inventor

Robert A. Erickson

Inventor

Raleigh, NC, US

Overview

70→

Patents

1980–2014

Patent span

Performing operations

Primary field (CPC B)

Patents· 70 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification38%

B23BTurning36%

B23CMilling7%

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

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling3%

F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges3%

B23DPlaning2%

B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding1%

A61KPreparations for medical, dental or toiletry purposes1%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations1%

PatentTitleYear

8,807,888'Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert'2014 8,807,880'Toolholder coupling for high pressure coolant'2014 8,727,357'Toolholder secondary retention system'2014 8,601,918'Toolholder assembly'2013 8,549,965'Toolholder assembly'2013 8,475,093'Clamping unit with canister sleeve retention device'2013 8,366,358'Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert'2013 8,220,804'Toolholder assembly with axial clamping mechanism'2012 8,151,673'Off-axis spring held clamping unit'2012 8,033,766'Tool holder with ball clamping mechanism'2011 7,832,967'Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert'2010 7,690,874'Rotary tapered tool holder with adapter sleeve'2010 7,669,308'Method of assembling a collet and lock nut assembly'2010 7,610,834'Tool holder assembly with interference fit key arrangement'2009 7,431,539'Clamp pin tool holder'2008 7,360,974'Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert'2008 7,357,608'Rotary tapered tool holder'2008 7,338,419'Tool coupler for connecting tool heads, such as drills, reamers, millers, turn-cutters, dies, and rams, to a tool holder'2008 7,311,478'Toolholder'2007 7,306,238'Collet and lock nut'2007 7,287,941'Apparatus for amplifying the pull back force on a lock rod used to secure a toolholder'2007 7,261,302'Collet and lock nut assembly'2007 7,240,594'Toolholder assembly'2007 7,186,064'Rotary tapered tool holder with adapter sleeve'2007 7,144,210'Tool holder'2006 7,089,838'Zero centerline toolholder assembly'2006 7,001,115'Cutting insert and toolholder for holding the same'2006 6,966,728'Toolholder assembly'2005 6,913,427'Adjustment device for self-colleting drill motors'2005 6,786,119'Toolholder assembly'2004 6,773,210'Clamp pin tool holder'2004 6,632,050'Face hobbing cutter'2003 6,619,897'Error proofing method and apparatus for cutting tools'2003 6,579,043'Multi-purpose insert and toolholder assembly'2003 6,543,318'Locking assembly'2003 6,506,003'Cutting tool'2003 6,415,696'Toolholder assembly'2002 D0459741'Cutting blade'2002 6,270,293'Toolholder assembly'2001 6,196,094'Tool unit clamping apparatus having a locking mechanism with increased gripping force'2001 6,000,885'Cutting insert suitable for mounting in different toolholder pockets and associated toolholder assembly'1999 6,000,306'Side activated tool unit clamping apparatus using mechanical advantage'1999 5,921,724'Insert and toolholder for machining operations'1999 5,870,935'Self-locking clamping apparatus for coupling a tool unit to a tool supporter'1999 5,482,417'Cam and wedge-type self-locking mechanism'1996 5,466,102'System for coupling machine tools'1995 5,452,631'Apparatus for holding a toolholder shank utilizing a rotatable cam to minimize kickback'1995 5,415,066'Apparatus for holding a toolholder shank'1995 5,261,302'Quick-change tool holder with adjustment mechanism for repeatable center-height adjustment'1993 5,245,896'Quick-change tool holder with center height adjustment mechanism'1993 5,173,017'Apparatus to adapt a toolholder for mounting to a base member'1992 5,169,270'Compressible screw-type locking mechanism'1992 5,054,344'Quick change clamping mechanism'1991 4,932,295'Automatic clamping unit for receiving and holding a tool holder'1990 4,836,068'Lock rod and apparatus for holding a toolholder'1989 4,747,735'Toolholder and method of releasably mounting'1988 4,736,659'Apparatus for holding a toolholder shank'1988 4,726,268'Clamping apparatus for holding a toolholder shank'1988 4,726,269'Toolholder assembly'1988 4,723,877'Toolholder'1988 4,708,040'Lock rod and apparatus for holding a toolholder'1987 4,663,818'Insert cartridge and toolholder for automatic insert changer and method of changing'1987 4,603,751'Mechanically fastened center vacuum roof drill bit'1986 4,575,287'Milling cutter and method of assembling therefor'1986 4,398,853'Insert holder and method of holding'1983 4,397,592'Insert holder and method of holding'1983 RE031292'Clamping mechanism for cutting insert'1983 4,245,937'Clamping mechanism for cutting insert'1981 4,244,666'Pin lock tool holder'1981 4,202,650'Shim lock toolholder'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2014Patents assigned to KENNAMETAL INC (65)· patent assignee history

1980–1983Based in Ligonier, PA, US· patent location history

1983–1987Based in Latrobe, PA, US· patent location history

1987–1989Patents assigned to KRUPP WIDIA GMBH (5)· patent assignee history

1987–2014Based in Raleigh, NC, US· patent location history

2001–2004Patents assigned to KENNAMETAL PC INC (4)· patent assignee history

2012–2014Patents assigned to ERICKSON CARLA (4)· patent assignee history

2013–2014Patents assigned to ERICKSON CARLA A (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KENNAMETAL INC	65	1980–2014
KRUPP WIDIA GMBH	5	1987–1989
ERICKSON CARLA	4	2012–2014
KENNAMETAL PC INC	4	2001–2004
ERICKSON CARLA A	2	2013–2014

Locations

Location	Patents	Span
Raleigh, NC, US	61	1987–2014
Latrobe, Pennsylvania, US	5	1983–1987
Ligonier, Pennsylvania, US	4	1980–1983