Inventor

David W. Park

Inventor

Puyallup, WA, US

Overview

32→

Patents

1987–2015

Patent span

Chemistry

Primary field (CPC C)

Patents· 32 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification15%

D21HPulp compositions12%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%

B27NManufacture by dry processes of articles, with or without organic binding agents, made from particles or fibres consisting of wood or other lignocellulosic or like organic material5%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

H04BTransmission5%

A01NPreservation of bodies of humans or animals or plants or parts thereof4%

B27KProcesses, apparatus or selection of substances for impregnating, staining, dyeing, bleaching of wood or similar materials, or treating of wood or similar materials with permeant liquids, not otherwise provided for4%

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

PatentTitleYear

8,971,706'Link discovery, verification, and failure isolation in an optical communication system'2015 8,617,692'Moisture resistant container'2013 8,383,784'Lignothermoplastic'2013 8,142,526'Artificial fire log'2012 7,976,678'High-yield paper and methods of making same'2011 7,836,924'Methods for enhancing hardness and dimensional stability of a wood element and wood product having enhanced hardness'2010 7,648,772'Moisture resistant container'2010 6,996,342'Control system for an agile optical network'2006 6,922,532'Optical performance monitoring for D/WDM networks'2005 D0501195'Outdoor wireless product enclosure for elevated mounting'2005 6,569,279'Method for bonding composite wood products'2003 6,452,716'Amplitude modulation of a pump laser signal in a distributed raman amplifier'2002 6,416,626'Polyethylene glycol-containing paper'2002 5,880,243'Fire retardant composite products of cellulose impregnated with isocyanate compositions'1999 5,881,369'Dual mode transceiver'1999 5,830,320'Method of enhancing strength of paper products and the resulting products'1998 5,716,563'Method of forming a surfaced cellulosic composite panel'1998 5,710,434'Isocyanate impregnating compositions'1998 5,667,637'Paper and paper-like products including water insoluble fibrous carboxyalkyl cellulose'1997 5,652,065'Wood veneers and products therefrom having enhanced strength and stiffness'1997 5,580,922'Cellulose products treated with isocyanate compositions'1996 5,500,620'Timing recovery for digital demodulation'1996 5,498,478'Polyethylene glycol as a binder material for fibers'1996 5,436,069'Surfaced cellulose composite panel and panel forming method'1995 5,432,000'Binder coated discontinuous fibers with adhered particulate materials'1995 5,280,097'Laminated composites of polyurea-cellulose and methods for their manufacture'1994 5,143,768'Laminated dieboard structure'1992 5,140,086'Isocyanate modified cellulose products and method for their manufacture'1992 4,980,194'Process for making a flame retardant plant'1990 4,917,922'Flame retardant plant'1990 4,828,890'Method for increasing bleed resistance of preserved plants and products of the method'1989 4,678,686'Treatment of formaldehyde-containing wood panel products'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2013Patents assigned to PARK DAVID W (4)· patent assignee history

1987–2013Based in Puyallup, WA, US· patent location history

1989–2003Patents assigned to WEYERHAEUSER CO (18)· patent assignee history

1996Based in Ottawa, CA· patent location history

1999–2015Based in Kanata, CA· patent location history

2010–2013Patents assigned to INT PAPER CO (2)· patent assignee history

2012–2013Patents assigned to FURTNER JR LUDWIG (2)· patent assignee history

2012–2013Patents assigned to NEOGI AMAR N (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WEYERHAEUSER CO	18	1989–2003
PARK DAVID Wself	4	1987–2013
FURTNER JR LUDWIG	2	2012–2013
INT PAPER CO	2	2010–2013
NEOGI AMAR N	2	2012–2013

Locations

Location	Patents	Span
Puyallup, Washington, US	25	1987–2013
Kanata, CA	6	1999–2015
Ottawa, CA	1	1996