Inventor

David R. Maas

Inventor
Owatonna, MN, US

Overview

35→
Patents
1998–2018
Patent span
Human necessities
Primary field (CPC A)

Patents· 35 as inventor

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

A01Bprimary
A01BSoil working in agriculture or forestry68%
H04LTransmission of digital information, e.g. telegraphic communication10%
H04WWireless communication networks7%
E02DFoundations5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
A41DOuterwear2%
LOC142%
PatentTitleYear
9,992,921Aeration apparatus and methods20189,516,800'Aeration apparatus and methods'20169,516,797'Systems and methods for treating a ground surface'20168,979,438'Systems and methods for treating a ground surface'20158,687,566'Method and apparatus for scheduling downlink transmissions in an orthogonal frequency division multiplexing communication system'20148,559,458'Method and apparatus for uplink scheduling in an orthogonal frequency division multiplexing communication system'20138,387,713'Aeration device'20138,220,557'Aeration device'20128,189,522'Communicating system information in a wireless communication network'20128,165,074'Techniques for handling service flows in wireless communication systems'20128,079,422'Soil aerator assembly'20118,051,353'HARQ transmission feedback for higher layer protocols in a communication system'20118,028,758'Aeration device'20117,931,094'Aeration device'20117,926,582'Soil aeration device'20117,896,095'Soil aerator'20117,784,557'Soil aeration device'20107,779,929'Soil aerator assembly'20107,743,841'Aeration device'20107,717,188'Soil aerator'20107,669,666'Aeration device'20107,640,994'Arcuate aeration tine'20107,575,064'Soil aeration device'20097,575,063'Aerating a ground surface'20097,451,831'Soil aerator'20087,438,136'Aeration device'20087,341,115'Soil aerator assembly'20087,290,619'Soil aeration device'20077,204,317'Aerating a ground surface'20077,152,691'Arcuate aeration tine'20067,096,968'Aeration device'20067,070,005'Soil aerator assembly'20067,055,617'Soil aerator'20066,308,334'Convertible costume construction'2001D0393853'Video entertainment system'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Based in Bradenton, FL, US· patent location history
2006–2018Patents assigned to PLANETAIR TURF PRODUCTS LLC (28)· patent assignee history
2006–2018Based in Owatonna, MN, US· patent location history
2011–2015Patents assigned to MAAS DAVID R (8)· patent assignee history
2011–2013Patents assigned to BJORGE SCOTT W (3)· patent assignee history
2011–2012Patents assigned to MOTOROLA MOBILITY INC (3)· patent assignee history
2011Based in Palatine, IL, US· patent location history
2012–2014Based in Hoffman Estates, IL, US· patent location history
2012Based in Hoffman Estate, IL, US· patent location history
2013–2014Patents assigned to MOTOROLA MOBILITY LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PLANETAIR TURF PRODUCTS LLC282006–2018
MAAS DAVID Rself82011–2015
BJORGE SCOTT W32011–2013
MOTOROLA MOBILITY INC32011–2012
MOTOROLA MOBILITY LLC22013–2014
Locations
LocationPatentsSpan
Owatonna, Minnesota, US282006–2018
Hoffman Estates, Illinois, US32012–2014
Hoffman Estate, Illinois, US12012
Palatine, Illinois, US12011
Bradenton, Florida, US12001