Inventor
PISHARODI MADHAVAN
US61 patents
⚠️ This page may combine multiple inventors who share the name “PISHARODI MADHAVAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PISHARODI MADHAVAN
21 patentsUS5171278ADec 15, 1992
Middle expandable intervertebral disk implants
PISHARODI MADHAVAN997 citations99
US5123926AJun 23, 1992
Artificial spinal prosthesis
PISHARODI MADHAVAN1,515 citations99
US8480742B2Jul 9, 2013
Total artificial disc
PISHARODI MADHAVAN79 citations98
US11052169B1Jul 6, 2021
Systems, apparatus and methods for purifying air
PISHARODI MADHAVAN26 citations94
US8598850B2Dec 3, 2013
Devices and methods for optimizing rechargeable battery life
PISHARODI MADHAVAN19 citations93
US7879095B2Feb 1, 2011
Method of inserting, rotating and releasing a spring-loaded artificial disk
PISHARODI MADHAVAN18 citations93
USD757649SMay 31, 2016
Adapter
PISHARODI MADHAVAN14 citations84
US12298037B2May 13, 2025
System for delivery of inactivated pathogens for contactless passive immunization
PISHARODI MADHAVAN2 citations75
USD1001260SOct 10, 2023
Wind turbine
PISHARODI MADHAVAN5 citations75
US11511013B2Nov 29, 2022
Air purification and disinfection apparatus and methods of use
PISHARODI MADHAVAN3 citations73
USD923793SJun 29, 2021
Intervertebral cage
PISHARODI MADHAVAN2 citations73
US11028830B2Jun 8, 2021
Multimodal renewable energy generation system
PISHARODI MADHAVAN1 citations73
US10439552B2Oct 8, 2019
Photovoltaic systems with intermittent and continuous recycling of light
PISHARODI MADHAVAN3 citations73
US10097135B2Oct 9, 2018
Photovoltaic systems with intermittent and continuous recycling of light
PISHARODI MADHAVAN5 citations73
US8915944B2Dec 23, 2014
Rod and plate system for incremental reduction of the spine
PISHARODI MADHAVAN6 citations73
US8816644B2Aug 26, 2014
Interrupting the charging status of a rechargeable battery
PISHARODI MADHAVAN6 citations73
US8480740B2Jul 9, 2013
Rotating, locking, spring-loaded artificial disk
PISHARODI MADHAVAN5 citations73
US12564627B2Mar 3, 2026
System for producing and delivering contactless veterinary passive immunization
PISHARODI MADHAVAN0 citations63
US12465537B2Nov 11, 2025
Self-cleaning air flow for air-conditioned facilities
PISHARODI MADHAVAN0 citations63
US11648331B2May 16, 2023
Systems, apparatus and methods for purifying air
PISHARODI MADHAVAN1 citations63
US11493024B2Nov 8, 2022
Multimodal renewable energy
PISHARODI MADHAVAN0 citations63
PERUMALA CORP
18 patentsUS6669697B1Dec 30, 2003
Self-retaining bolt for internal spinal stabilizers
PERUMALA CORP211 citations99
US6610093B1Aug 26, 2003
Method and apparatus for stabilizing adjacent vertebrae
PERUMALA CORP418 citations99
US6355038B1Mar 12, 2002
Multi-axis internal spinal fixation
PERUMALA CORP374 citations99
US5893890AApr 13, 1999
Rotating, locking intervertebral disk stabilizer and applicator
PERUMALA CORP502 citations99
US7074240B2Jul 11, 2006
Method and apparatus for stabilizing adjacent vertebrae
PERUMALA CORP57 citations96
US6402755B1Jun 11, 2002
Plate system for bridging and stabilizing spaced apart bone segments
PERUMALA CORP72 citations96
US9198774B2Dec 1, 2015
Intervertebral disk cage and stabilizer
PERUMALA CORP37 citations94
US10123937B2Nov 13, 2018
Cold/heat-assisted distributed wave vibration therapy
PERUMALA CORP15 citations84
US9198768B1Dec 1, 2015
Enhanced artificial disk
PERUMALA CORP8 citations84
USD731418SJun 9, 2015
Charge interrupting device
PERUMALA CORP4 citations84
USD720286SDec 30, 2014
Charge interrupting device
PERUMALA CORP4 citations84
US6989013B2Jan 24, 2006
Medical appliance for bridging and stabilizing spaced apart bone segments having a bone screw locking system
PERUMALA CORP13 citations84
US11053920B2Jul 6, 2021
Multimodal renewable energy
PERUMALA CORP2 citations73
US10835293B2Nov 17, 2020
Multi-axis internal spinal fixation
PERUMALA CORP3 citations73
USD838086SJan 15, 2019
Sun cap with eye shades and side shade panels
PERUMALA CORP5 citations73
US10079571B2Sep 18, 2018
Photovoltaic systems with intermittent and continuous recycling of light
PERUMALA CORP5 citations73
US9287428B2Mar 15, 2016
Photovoltaic systems with intermittent and continuous recycling of light
PERUMALA CORP5 citations73
USD738952SSep 15, 2015
Sun shield having a top panel and a pair of side panels
PERUMALA CORP3 citations63
(unassigned)
11 patentsUS6309421B1Oct 30, 2001
Rotating, locking intervertebral disk stabilizer and applicator
197 citations99
US6264655B1Jul 24, 2001
Cervical disk and spinal stabilizer
155 citations99
US6093207AJul 25, 2000
Middle expanded, removable intervertebral disk stabilizer disk
378 citations99
US5697977ADec 16, 1997
Method and apparatus for spondylolisthesis reduction
317 citations99
US5693100ADec 2, 1997
Middle expandable intervertebral disk implant
746 citations99
US5658336AAug 19, 1997
Rotating, locking, middle-expanded intervertebral disk stabilizer
376 citations99
US5653762AAug 5, 1997
Method of stabilizing adjacent vertebrae with rotating, lockable, middle-expanded intervertebral disk stabilizer
659 citations99
US5653761AAug 5, 1997
Method of lumbar intervertebral disk stabilization
339 citations99
US5601556AFeb 11, 1997
Apparatus for spondylolisthesis reduction
294 citations99
US5390683AFeb 21, 1995
Spinal implantation methods utilizing a middle expandable implant
1,669 citations99
US5601569AFeb 11, 1997
Stereotactic frame and localization method
74 citations96
Showing the top 50 of 61 patents by PatentIndex Score.