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USPTO Patent Rankings Data through Dec 31, 2025
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Roger P. Bartel — 15 Patents

NUNumar: 4 patents #4 of 25Top 20%
WHWeatherford Technology Holdings: 2 patents #373 of 831Top 45%
HSHalliburton Energy Services: 2 patents #2,405 of 5,294Top 50%
PSPrecision Energy Services: 2 patents #23 of 77Top 30%
BTBaroid Technology: 2 patents #17 of 87Top 20%
WCWeatherford Canada: 1 patents #21 of 44Top 50%
DIDresser Industries: 1 patents #403 of 787Top 55%
Spring, TX: #204 of 2,039 inventorsTop 15%
Texas: #9,849 of 125,132 inventorsTop 8%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Roger P. Bartel has been granted 15 US patents while listed as an inventor at Numar. The first was granted in 1990 and the most recent in November 2019. Roger P. Bartel ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Roger P. Bartel in Spring, TX, US.

Patents per Year

Patents granted per year, 1990 to 2019Bar chart with a peak of 3 patents in 2001.peak 31990: 1 patents19901992: 1 patents1994: 1 patents19942001: 3 patents2002: 1 patents20022003: 1 patents2004: 2 patents20042008: 1 patents2014: 1 patents20142016: 1 patents2018: 1 patents20182019: 1 patents2019

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10480304 Analysis of drillstring dynamics using an angular rate sensor Charles Lee Mauldin, Richard Berns 2019-11-19
10100630 Method and apparatus for communicating incremental depth and/or other useful data of a downhole tool Charles Lee Mauldin 2018-10-16
9366131 Analyzing toolface velocity to detect detrimental vibration during drilling Charles Lee Mauldin, Richard Berns 2016-06-14
8881844 Directional drilling control using periodic perturbation of the drill bit Steven Reid Farley, Michael L. Larronde, Charles Lee Mauldin, Robert Anthony Aiello 2014-11-11
7353613 Directional sensor system comprising a single axis sensor element positioned at multiple controlled orientations Jian-Qun Wu 2008-04-08 $67,480,000
6831571 Logging device data dump probe — 2004-12-14 $15,190,000
6825659 Method and apparatus for nuclear magnetic resonance measuring while drilling Manfred G. Prammer, James H. Dudley, Peter Masak, George David Goodman, Marian Morys +5 more 2004-11-30
6583621 Method and apparatus for nuclear magnetic resonance measuring while drilling Manfred G. Prammer, James H. Dudley, Peter Masak, George David Goodman, Marian Morys +5 more 2003-06-24
6362619 Method and apparatus for nuclear magnetic resonance measuring while drilling Manfred G. Prammer, James H. Dudley, Peter Masak, George David Goodman, Marian Morys +5 more 2002-03-26
6268726 Method and apparatus for nuclear magnetic resonance measuring while drilling Manfred G. Prammer, James H. Dudley, Peter Masak, George David Goodman, Marian Morys +5 more 2001-07-31
6218842 Multi-frequency electromagnetic wave resistivity tool with improved calibration measurement Michael S. Bittar 2001-04-17 $41,479,000
6191561 Variable output rotary power generator — 2001-02-20
5278507 Well logging method and apparatus providing multiple depth of investigation using multiple transmitters and single receiver pair having depth of investigation independent of formation resistivity M. Vikram Rao, Paul F. Rodney 1994-01-11 $7,537,000
5174765 Electrical connector having electrically conductive elastomer covered by insulating elastomer Joseph M. Williams 1992-12-29
4940943 Method and apparatus for optimizing the reception pattern of the antenna of a propagating electromagnetic wave logging tool Paul F. Rodney 1990-07-10

Frequent Collaborators

Paul F. Rodney6 shared
Michael L. Larronde5 shared
Dale A. Jones4 shared
Marian Morys4 shared
John Edward Smaardyk4 shared
Chen-Kang Chen4 shared

Nearby-Ranked Inventors

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