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
The Bucks 20 game winning streak began February 6 and ended March 8 in 1971.
12 games -- Detroit Red Wings from March 1 - April 15, 2006