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

John V. Mariol — 40 Patents

LILisco: 11 patents #12 of 103Top 15%
KEKolcraft Enterprises: 8 patents #7 of 68Top 15%
UNUnknown: 8 patents #1,262 of 83,584Top 2%
GPGraco Metal Products: 2 patents #2 of 12Top 20%
SCSpalding & Evenflo Companies: 1 patents #18 of 38Top 50%
Cincinnati, OH: #151 of 8,043 inventorsTop 2%
Ohio: #1,104 of 73,341 inventorsTop 2%
Overall (All Time): #78,057 of 4,157,543Top 2%
40 Patents All Time
John V. Mariol has been granted 40 US patents while listed as an inventor at Lisco. The first was granted in 1987 and the most recent in June 2001. John V. Mariol ranks #78,057 of 4,157,543 US inventors in our database (top 1.9%). Patent records list John V. Mariol in Cincinnati, OH, US.

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6250837 Rail joint Thomas J. Welsh, Jr. 2001-06-26
D413025 Play yard Thomas J. Welsh, Jr. 1999-08-24
D409411 Play yard Thomas J. Welsh, Jr. 1999-05-11
D407915 Bassinet Thomas J. Welsh, Jr. 1999-04-13
D407914 Bassinet Thomas J. Welsh, Jr. 1999-04-13
5867851 Play yard Thomas J. Welsh, Jr. 1999-02-09
5867850 Bassinet 1999-02-09
5826285 Play yard Thomas J. Welsh, Jr. 1998-10-27
5732757 Slotted panel and strap combination 1998-03-31
D382718 Combined playyard and toy bag 1997-08-26
5644806 Playyard system with a handle and wheels Christopher Arens 1997-07-08
D379583 Wheels for use on portable playyards 1997-06-03
D379486 Mobile arm attachment for portable playyards 1997-05-27
5553336 Playyard and bassinet combination 1996-09-10 $1,022,000
D373029 Adjustable high chair Paul K. Meeker 1996-08-27
5535457 Blow molded crib Thomas J. Welsh, Jr. 1996-07-16 $1,346,000
5516190 Handle for infant car seat James M. Kain 1996-05-14 $973,000
D366978 Removable playyard canopy 1996-02-13
5489138 Height adjustable high chair Paul K. Meeker 1996-02-06 $986,000
D364754 Blow molded crib Thomas J. Welsh, Jr. 1995-12-05
D361672 Adjustable high chair Paul K. Meeker 1995-08-29
5409292 Handle for infant car seat James M. Kain 1995-04-25
D356689 Child's multi-level booster seat 1995-03-28
D337894 Cradle 1993-08-03
D334848 Article useful as booster chair and as step stool 1993-04-20