P

Inventor

EVANS ROBERT B

50 patents
⚠️ This page may combine multiple inventors who share the name “EVANS ROBERT B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

(unassigned)

22 patents
US5429536AJul 4, 1995

Monofin swimming apparatus and assembly method

55 citations96
US5417599AMay 23, 1995

Swim fin having multiple interchangeable components

65 citations96
US5597336AJan 28, 1997

Unique swim fin

51 citations93
US5527197AJun 18, 1996

Articulated attachment means for swimming fin

47 citations93
USD450365SNov 13, 2001

Swim fin having downturned tips

15 citations84
US6461209B2Oct 8, 2002

Swim fin having articulated wing members

7 citations74
USD455188SApr 2, 2002

Swim fin having extending tips

10 citations74
USD454934SMar 26, 2002

Swim fin having shortened distal portion

6 citations74
US6354894B1Mar 12, 2002

Spear-blade swim fin

8 citations74
US6322411B1Nov 27, 2001

Swim fin having articulated wing members

14 citations74
USD449667SOct 23, 2001

Dive blade swim fin

8 citations74
US6283810B1Sep 4, 2001

Non-mold method of forming objects and articles formed thereby

7 citations74
US6241567B1Jun 5, 2001

Non-mold method of forming objects and articles formed thereby

12 citations74
US6537114B2Mar 25, 2003

Adjustable swim fin

4 citations63
USD455807SApr 16, 2002

Swim fin having articulated extensions

2 citations63
USD449362SOct 16, 2001

Free diving swim fin

4 citations63
USD443911SJun 19, 2001

Swim fin having angel wing components

1 citations63
USD441824SMay 8, 2001

Independently movable foil swim fin

1 citations63
USD440272SApr 10, 2001

Spear blade swim fin

4 citations63
US6503113B2Jan 7, 2003

Non-mold method of forming objects and articles formed thereby

1 citations52
USD451976SDec 11, 2001

Swim fin having shortened blade

1 citations52
USD443671SJun 12, 2001

Swim fin having angel wing components

0 citations52

EVANS ROBERT B

20 patents
US4857024AAug 15, 1989

Swim fin with flexible fin member having movable tips

EVANS ROBERT B62 citations96
USD423623SApr 25, 2000

Swim fin

EVANS ROBERT B20 citations93
USD404456SJan 19, 1999

Split fin

EVANS ROBERT B32 citations93
USD396897SAug 11, 1998

Swim fin

EVANS ROBERT B34 citations93
USD353181SDec 6, 1994

Open instep swim fin

EVANS ROBERT B22 citations93
US5356323AOct 18, 1994

Closed shoe swim fin

EVANS ROBERT B49 citations93
USD340272SOct 12, 1993

Swimming fin

EVANS ROBERT B31 citations93
USD328118SJul 21, 1992

Unitary swim fin

EVANS ROBERT B34 citations93
USD327934SJul 14, 1992

Open-toed wide-blade swim fin

EVANS ROBERT B26 citations93
USD327935SJul 14, 1992

Long-blade closed-shoe swim fin

EVANS ROBERT B30 citations93
USD327933SJul 14, 1992

Closed-shoe swim fin

EVANS ROBERT B27 citations93
US4929206AMay 29, 1990

Swim fin with flexible fin member having movable tips

EVANS ROBERT B48 citations93
USD278165SMar 26, 1985

Swimfin with flexible fin member having movable tips

EVANS ROBERT B31 citations93
USD430637SSep 5, 2000

Swim fin having movable foils

EVANS ROBERT B13 citations74
USD426865SJun 20, 2000

Split spear blade swim fin

EVANS ROBERT B8 citations74
US8852710B2Oct 7, 2014

Surface flow enhancement device and method of using the same on a vehicle

EVANS ROBERT B4 citations73
US10737955B2Aug 11, 2020

Desalination system and method

EVANS ROBERT B2 citations66
US11097962B2Aug 24, 2021

Desalination system

EVANS ROBERT B0 citations56
US9481405B2Nov 1, 2016

Surface flow enhancement device and method of using the same on a vehicle

EVANS ROBERT B1 citations52
USD432615SOct 24, 2000

Swim fin having independently movable foils

EVANS ROBERT B0 citations52

HUTCHINSON TECHNOLOGY

5 patents

DONNELLEY & SONS CO

1 patent

ZHANG JING

1 patent

QUARK LTD LDC

1 patent