Inventor
William D. Severa
Inventor
Darien, IL, US
Overview
Patents· 58 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A63Bprimary
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing47%
LOC2124%
B29CShaping or joining of plastics6%
C08JWorking-up6%
G01MTesting static or dynamic balance of machines or structures6%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
A45CPurses3%
B67BApplying closure members to bottles jars, or similar containers1%
PatentTitleYear
10,946,253Racquet configured with increased flexibility in multiple directions with respect to a longitudinal axis202110,751,581Racquet configured with increased flexibility in multiple directions with respect to a longitudinal axis202010,653,924Racquet configured with increased flexibility in multiple directions with respect to a longitudinal axis202010,646,753Racquet configured with increased flexibility in multiple directions with respect to a longitudinal axis202010,328,316Racquet configured with increased flexibility in multiple directions with respect to a longitudinal axis2019D0850550Central portion of a racquet201910,058,734Racquet hit notification20189,597,554'Racquet hit notification'20179,399,155'Optimized thermoplastic racquet'20169,339,699'Racquet configured with fewer cross strings than main strings'20169,199,135'Optimized thermoplastic racquet'20159,192,822'Optimized thermoplastic racquet'20159,089,743'Racquet configured with fewer cross strings than main strings'2015D0719228'Central portion of a racquet'2014D0719227'Tennis racquet'20148,808,121'Racquet configured with fewer cross strings than main strings'2014D0689966'Throat of a racquet'2013D0689572'Throat of a racquet'2013D0689573'Throat of a racquet'20138,449,411'Racquet handle assembly including a plurality of support members'20138,323,130'Racquet handle assembly including a plurality of support members'20128,303,441'Customized racquet stringing system'20128,282,514'Sports racquet for impacting a ball and facilitating the opening of a cap on a bottle'20128,075,429'Racquet stringing machine'20118,066,593'Customized racquet stringing system and method'20117,887,444'Racquet having articulating grommet assemblies'2011D0631521'Sports racquet'20117,833,118'Racquet stringing machine'2010D0622793'Sports racquet'20107,695,383'Racquet stringing machine'20107,686,713'Racquet stringing machine'2010D0596682'Racquet'2009D0565675'Central portion of a sports racquet'20087,325,679'Environmentally controlled sports equipment bag'2008D0559927'Hoop portions of a sports racquet'20087,297,080'Game racquet with separate head and handle portions for reducing vibration'2007D0554211'Throat portion of a sports racquet'2007D0554210'Central side portions of a sports racquet'20077,285,062'Racquet having cantilevered hoop portions'20077,211,010'Reinforcing member for a badminton racquet'2007D0520581'Sports racquet'20067,004,317'Environmentally controlled sports equipment bag'2006D0514639'Head portion of a racquet'2006D0503442'Throat portion of a sports racquet'2005D0502517'Head portion of a sports racquet'20056,840,874'Game racquet with separate head and handle portions for reducing vibration'20056,811,502'Racquet with elongated peripheral main string segments and enlarged sweet spot'20046,685,583'Handle for a sports racquet'20046,663,516'Game racquet with separate head and handle portions for reducing vibration'20036,527,656'Two-piece grommet assembly for a sports racquet'2003D0469487'Central portion of a game racquet with separate head and handle portions'2003D0469488'Middle region of a game racquet with separate head and handle portions'20036,500,080'Game racquet with separate head and handle portions for reducing vibration'20026,050,909'Game racquet with string slots in inner wall'2000D0369194'Tennis racquet'1996D0368749'Vibration dampener for a game racquet'19965,368,295'Tennis racket'19945,062,634'Squash racket'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2021Patents assigned to WILSON SPORTING GOODS (58)· patent assignee history
1991–1994Based in Addison, IL, US· patent location history
1996–2008Based in West Chicago, IL, US· patent location history
2005–2020Based in Darien, IL, US· patent location history
2011–2013Patents assigned to KAPHEIM ROBERT T (9)· patent assignee history
2011–2013Patents assigned to SEVERA WILLIAM D (9)· patent assignee history
2011–2013Patents assigned to ROCCHI RONALD R (7)· patent assignee history
2013Patents assigned to ITIRAVIVONG RAVI (3)· patent assignee history
2021Based in Lombard, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WILSON SPORTING GOODS | 58 | 1991–2021 |
| KAPHEIM ROBERT T | 9 | 2011–2013 |
| SEVERA WILLIAM Dself | 9 | 2011–2013 |
| ROCCHI RONALD R | 7 | 2011–2013 |
| ITIRAVIVONG RAVI | 3 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Darien, Illinois, US | 42 | 2005–2020 |
| West Chicago, Illinois, US | 13 | 1996–2008 |
| Addison, Illinois, US | 2 | 1991–1994 |
| Lombard, Illinois, US | 1 | 2021 |