Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RM

Roger Massengale — 50 Patents

I-I-Flow: 30 patents #1 of 31Top 4%
KWKimberly-Clark Worldwide: 9 patents #605 of 3,587Top 20%
AVAvent: 7 patents #30 of 294Top 15%
Mission Viejo, CA: #28 of 1,522 inventorsTop 2%
California: #8,040 of 386,348 inventorsTop 3%
Overall (All Time): #53,743 of 4,157,543Top 2%
50 Patents All Time
Roger Massengale has been granted 50 US patents while listed as an inventor at I-Flow. The first was granted in 2002 and the most recent in October 2022. Roger Massengale ranks #53,743 of 4,157,543 US inventors in our database (top 1.3%). Patent records list Roger Massengale in Mission Viejo, CA, US.

Issued Patents All Time

Showing 1–25 of 50 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11464971 Selective nerve fiber block method and system Eric A. Schepis, Phillip A. Schorr, Jeremy Ollerenshaw, Joshua D. White 2022-10-11
10080549 Echogenic nerve block apparatus and system Steve S. Khalaj, Siddharth Desai, Dominic J. Cooke 2018-09-25
9931465 Compact flow regulating device Steve S. Khalaj, Vincent Turturro, John A. Rotella 2018-04-03
9289232 Soft tissue tunneling device Mark Anthony Siminuk, Alan Dine, Doug Carroll 2016-03-22
9254146 Echogenic nerve block apparatus and system Steve S. Khalaj, Siddharth Desai, Dominic J. Cooke 2016-02-09
9180247 Infusion apparatus with flow indicator 2015-11-10
9084870 Catheter for uniform delivery of medication Jose Castillo Deniega, Kenneth W. Rake 2015-07-21
8672889 Soft tissue tunneling device Steve S. Khalaj 2014-03-18 $33,879,000
8628633 Catheter for uniform delivery of medication Jose Castillo Deniega, Kenneth W. Rake 2014-01-14 $43,919,000
8439862 Infusion apparatus with flow indicator 2013-05-14 $24,205,000
8343135 Anti-microbial catheter James Dal Porto, Jose Castillo Deniega, Kenneth W. Rake, Kevin Forest, Mark Anthony Siminuk 2013-01-01
8328771 Method for fluid delivery and catheters for use with same 2012-12-11
8323266 Fluid medication delivery device Kevin Forrest, Bill Porter, Donald M. Earhart, Alan Dine 2012-12-04 $17,515,000
8241269 Fluid medication delivery device Kevin Forrest, Bill Porter, Donald M. Earhart, Alan Dine 2012-08-14 $34,754,000
8190452 Method and apparatus for monitoring a patient Robert Vasko 2012-05-29 $28,126,000
8052651 Apparatus and method for securing a catheter within an anatomy 2011-11-08 $25,856,000
8048057 Catheter for uniform delivery of medication Jose Castillo Deniega, Kenneth W. Rake 2011-11-01 $39,340,000
8043465 Catheter for uniform delivery of medication Jose Castillo Deniega, Kenneth W. Rake 2011-10-25
8005538 Stimulating catheter 2011-08-23
7993326 Pain management kit for administration of medication Robert Keahey 2011-08-09
7959623 Method of fluid delivery and catheters for use with same 2011-06-14
7854732 Fluid medication delivery device Alan Dine, Kevin Forrest, Bill Porter, Donald M. Earhart 2010-12-21
7854730 Catheter for uniform delivery of medication James Dal Porto, Jose Castillo Deniega, Kenneth W. Rake 2010-12-21
7815604 Large volume bolus device and method Kenneth W. Rake, Eric Mabry 2010-10-19
7780638 Catheter for uniform delivery of medication Jose Castillo Deniega, Kenneth W. Rake 2010-08-24