the new york knickerbockers, with 13
The Vancover Grizzles lost 23 in a row in the 1996 NBA season. The worst start in NBA history goes to the 2009 New Jersey Nets who started off 0-17. The worst record in NBA history goes to the 1972-73 Philadelphia 76ers who finished 9-73. In the 2010-2011 season, the new record goes to the Cleveland Cavaliers with 25 consecutive losses in a row. ( 8-40) The most consecutive losses in NBA history.
Lakers
The NBA record for consecutive losses in a season is 23 held by the 1996 Vancouver Grizzlies.
I believe the answer is the San Antonio Spurs.
The record for most appearances by a NBA franchise is 30 by the Minneapolis/Los Angeles Lakers (15 wins - 15 losses).
The Boston Celtics' streak of 8 consecutive NBA championships is the longest streak of consecutive championships in U.S. professional sports history
The Chicago Bulls hold the record for most consecutive home court wins by a team in the NBA. The 1995-96 squad had a 44 game home winning streak.
Detroit Lions
The most losses by a team in NBA history was by the 1972-73 Philadelphia 76ers who had a regular season record of 9-73.
The Boston Red Sox have sold out the most consecutive games in MLB history while the Portland Trailblazers have sold out the most consecutive home games in the NBA (and in North America for any sport).
As far as I know the Boston Celtics with 8 consecutive nba championships as well as 11 nba championships within same 13 year period.