As of September 15, 2011 it is14 games, last accomplished in1934 from July 31 to August 14. The only other time was in 1909, from August 19 to September 2
Longest winning streak: Pittsburgh Penguins with 17 straight wins Longest winning streak at home: Detroit Red Wings with 23
The longest winning streak in NBA history is 33 games, achieved by the 1971-72 Los Angeles Lakers.
detroit lions
The Cleveland Cavaliers' longest winning streak in franchise history is 24 games. This impressive run took place during the 2016-2017 NBA season, starting on November 18, 2016, and ending on January 3, 2017. This streak is notable as it tied the second-longest winning streak in NBA history at that time.
I believe there longest winning streak was 13 wins
In the Washington/Oregon rivalry, Washington's longest winning streak is 6 games (1981-1986, 1974-1979, 1955-1960, 1908-1909 and 1911-1914) and Oregon's longest winning streak is 7 games (2004-2010).
the longest winning streak is 48 win-streak by Boston Collage
The Blue Jays' longest winning streak was 11 games in 1987 and 1998.
26 wins 1916
Houston Rockets 22 winning streak
12 games -- Detroit Red Wings from March 1 - April 15, 2006
The Bucks 20 game winning streak began February 6 and ended March 8 in 1971.