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Robert Grubba — 15 Patents

LILionel: 9 patents #3 of 31Top 10%
LTLionel Trains: 1 patents #5 of 13Top 40%
Schlumberger Technology: 1 patents #3,946 of 7,293Top 55%
New Orleans, LA: #27 of 1,220 inventorsTop 3%
Louisiana: #327 of 10,876 inventorsTop 4%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Robert Grubba has been granted 15 US patents while listed as an inventor at Lionel. The first was granted in 1993 and the most recent in March 2012. Robert Grubba ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Robert Grubba in New Orleans, LA, US.

Patents per Year

Patents granted per year, 1993 to 2012Bar chart with a peak of 4 patents in 2007.peak 41993: 1 patents19932001: 1 patents20012002: 2 patents20022003: 1 patents20032004: 1 patents20042007: 4 patents20072009: 1 patents20092010: 2 patents20102011: 1 patents20112012: 1 patents2012

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8127952 Model train coupler with linear actuator — 2012-03-06
7880414 Control and motor arrangement for use in model train Dennis J. Denen, Neil Young, Gary L. Moreau, Martin Pierson 2011-02-01
7749040 Smoke production system for model locomotive — 2010-07-06
7656110 Control and motor arrangement for use in model train Dennis J. Denen, Neil Young, Gary L. Moreau, Martin Pierson 2010-02-02
7634411 Synchronized externally generated sound effects for model trains — 2009-12-15
7307394 Control and motor arrangement for use in model train Dennis J. Denen, Neil Young, Gary L. Moreau, Martin Pierson 2007-12-11
7298103 Control and motor arrangement for use in model train Dennis J. Denen, Neil Young, Gary L. Moreau, Martin Pierson 2007-11-20
7215092 Radio-linked, bi-directional control system for model electric trains Randall L. Luck, Tim Toombs 2007-05-08
7211976 Control and motor arrangement for use in model train Dennis J. Denen, Neil Young, Gary L. Moreau, Martin Pierson 2007-05-01
6765356 Control and motor arrangement for use in model train Dennis J. Denen, Neil Young, Gary L. Moreau, Martin Pierson 2004-07-20
6616506 Inserted molded traction tire for a model toy train James Gray Morrison 2003-09-09
6485347 Puffing fan driven smoke unit for a model train James Gray Morrison 2002-11-26
6441570 Controller for a model toy train set Neil Young, Charles P. Horan, Martin Pierson 2002-08-27
6186074 Drive assembly for model train Caleb K. Sullivan, Kevin B. Chlebek, Jeffery A. Price 2001-02-13
5188173 Pressure control system and cable guiding device for use in drilling wells David L. Richardson, Timothy P. McLaughlin, David B. Parran 1993-02-23 $27,310,000

Frequent Collaborators

Martin Pierson7 shared
Neil Young7 shared
Gary L. Moreau6 shared
Dennis J. Denen6 shared
James Gray Morrison2 shared
Jeffery A. Price1 shared

Nearby-Ranked Inventors

Naoya Kasahara15
Aaron Larry Snyder15
Avishay Meron15
Stuart Hatfield15
Satoshi KUNIYASU15
Ashton Mason15
Theodore Yuchiang Cheng15
Richard Sharbaugh15
Rajen Bhatt15